Beyond the “Bounce”: What Agility Can Learn From Workload Monitoring, Recovery, and Periodization

Written by:

Dr. Arielle Pechette Markley, DVM, cVMA, CVPP, CCRT, DAIPM, DACVSMR (Canine)

Director of Research, Red Sage Integrative Veterinary Partners

There has been a lot of discussion recently about the “bounce” effect, the idea that a dog may have a major competition weekend and then show a decline in performance shortly afterward. In horse racing, this term is used when a horse makes a large jump forward in performance and then regresses when asked to perform again before they have fully recovered from that effort. In agility, people are using the term to describe dogs who seem flat, slower, less accurate, more frantic, sore, disconnected, or just not quite themselves after a major trial, seminar, national event, or other high-output weekend.

I think this is an important conversation, because it gets people thinking about recovery and workload. However, I also think we need to be careful about how we frame it. At this time, we do not have prospective agility-specific studies that tell us exactly how much work is too much, how long dogs need to recover after different types of events, or whether a specific competition weekend reliably causes a predictable performance drop the following week. Most of what we know about workload monitoring, tapering, acute versus chronic workload, fatigue, and periodization comes from human and equine sports medicine.

That does not mean these concepts are irrelevant to agility dogs. It means we need to apply them thoughtfully and be honest about what is extrapolated.

The question is not whether agility dogs “bounce” in exactly the same way racehorses may “bounce.”

The more useful question is: Was the dog prepared for the workload they were asked to perform, and did they have enough recovery afterward for their body to repair, recover, and be ready for the next effort?

First, what do we actually mean by workload monitoring?

In sports medicine, workload is not just “how long did you train?” The International Olympic Committee defines load broadly as the sport and non-sport burden placed on the athlete, including physiological, psychological, and mechanical stressors, applied over time and varying in duration, frequency, and intensity.

That definition is important for agility, because a dog’s workload is not just the number of minutes spent in a class or the number of runs entered at a trial. Agility workload includes the mechanical work of jumping, landing, turning, accelerating, decelerating, weaving, stopping, hitting contacts, slipping, and pushing off different surfaces. It includes the metabolic work of repeated sprint efforts, especially in heat or with short recovery between runs. It includes the cognitive work of technical courses, discriminations, cue processing, new skills, proofing, and complex handling. It also includes emotional and environmental load: travel, crating, noise, arousal, stress, poor sleep, different footing, long days, and the pressure of major events.

This is why “we only trained for 20 minutes” does not necessarily mean it was a low-load session. A 20-minute session of low-arousal handling mechanics or flatwork is very different from a 20-minute session of full-height jump grids, hard turns, repeated weave entries, and stopped contacts at speed. Likewise, six runs at a trial may not sound like much if we only count the time the dog is actually on course, but that does not capture warm-ups, cool-downs, arousal, waiting, travel, surface, stress, or the cumulative effect of multiple days.

So when we talk about workload in agility, we should be thinking about the total stress placed on the dog, not just the visible time on course.

External load versus internal load: the same weekend is not the same workload for every dog

Another important concept is the difference between external load and internal load. External load is the work performed. In agility, that includes things like number of runs, number of jumps, weave repetitions, contact repetitions, total distance, intensity, speed, acceleration and deceleration, session duration, rest intervals, surface, and obstacle spacing. Internal load is how the athlete responds to that work physiologically. In human athletes, internal load may be measured with heart rate, perceived exertion, or other physiological and subjective measures.

For dogs, we do not yet have an easy and validated way to measure internal load in agility, but we can still understand the concept. The same external workload may have a very different internal cost depending on the dog. A fit, experienced dog who trials regularly, recovers well, and is emotionally comfortable in trial environments may tolerate a three-day trial very differently than a dog who has had a light month, is newer to trialing, is coming back from injury, is less conditioned, becomes over-aroused in a trial environment, or finds travel and hotel stays stressful. On paper, both dogs may have “done six runs.” In reality, those six runs may not represent the same workload at all.

This is one of the reasons I think agility handlers can get into trouble when they only count runs or only think in terms of training time. Those numbers matter, but they are incomplete. They do not tell us whether the dog was prepared for that work, how intense the work was, or how much stress the dog was carrying into the weekend.

Acute load, chronic load, and the problem with sudden spikes

One way human sports medicine looks at workload is by comparing recent workload to baseline workload, otherwise known as the acute:chronic workload ratio. The details of the acute:chronic workload ratio are debated, and I do not think agility handlers need to start calculating ratios for their dogs (yet!). But the underlying idea is very useful.

In simple terms:

Acute load is what the athlete has done recently. For agility, think: what did the dog do this week, this weekend, or in the last few training sessions?

Chronic load is the athlete’s typical or baseline workload over a longer period of time, often the previous 4–6 weeks. For agility, think: what has this dog been consistently doing over the past month or so in training, trialing, conditioning, and recovery?

A spike happens when the recent workload is much higher than the dog’s recent baseline.

For agility, the important point is not the math. The important point is context.

A three-day trial after several weeks of consistent training, trialing, and conditioning may not represent a large spike for one dog. The same three-day trial after several quiet weeks may be a very different situation. A seminar may be reasonable for a dog who has been consistently training at that level, but more concerning if it follows a major event, travel, poor sleep, a heavy training week, or incomplete recovery. A hard weave entry session may not be a problem in isolation, but it may contribute to a spike when layered on top of trialing, conditioning, fatigue, or sore muscles. Environmental changes matter too. The same workload may be much harder when temperature or humidity suddenly increases, footing changes, or the dog is working in conditions they are not acclimated to.

This is why we should not evaluate a training session or trial weekend only by what happened that day. We also need to ask: How does this compare to what the dog has been consistently doing over the last month?

That is the practical value of the acute versus chronic workload idea. It helps shift the question from “Is this dog fit?” to “Is this workload a sudden jump from this dog’s recent normal?”

This is also why “just rest more” is not the full answer. High workload is not automatically bad, and avoiding all higher workload is not necessarily protective for injury. Many tissues, including bone, muscle, tendon, ligament, and other connective tissues, respond to regular loading over time. When workload is progressed appropriately, the body can become better prepared to tolerate the demands of the sport. The bigger concern is often not workload itself, but sudden, poorly prepared spikes in workload, especially when they are layered on top of fatigue or inadequate recovery. Undertraining can also be a problem if the dog is then suddenly exposed to a large competition, seminar, camp, or multi-day event workload.

The goal is not to do less forever. The goal is to build capacity progressively, avoid sudden spikes, and include recovery before fatigue accumulates into a bigger problem.

Fatigue is not just being “tired”

Fatigue is another word that gets used casually, but in sport it is more complicated than “the dog is tired.” For purposes of agility, I think of fatigue as a temporary reduction in the dog’s ability to perform at their normal level. That reduction can be physical, neuromuscular, cognitive, emotional, or some combination of all of those.

Physical fatigue might look like slower acceleration, less efficient jumping, shorter stride, difficulty maintaining speed, or stiffness after work. Neuromuscular fatigue may show up as less precise foot placement, poorer timing, altered weave rhythm, poorer collection, or less efficient turning. Cognitive fatigue may look like slower response to cues, more off-courses, more missed discriminations, or mistakes in sequences the dog normally understands. Emotional or arousal fatigue may look like flatness, frantic behavior, inability to regulate, increased stress behaviors, or a dog who seems to have lost their normal ability to think.

None of these signs proves fatigue. A dog who drops bars after a trial weekend is not automatically “bouncing.” A dog who misses weave entries is not automatically overtrained. The differential list is long, and not exhaustive, and includes fatigue, pain, stress, lack of understanding, footing, handler timing, environmental pressure, nutrition, sleep disruption, illness, medical or endocrine issues, and early injury. The point is not that every performance change is caused by workload. The point is that performance changes are information, and they should not be ignored simply because the dog is not obviously lame.

Those changes are still information. If a dog has a new pattern of dropped bars, wider turns, slower acceleration, altered weave rhythm, contact hesitation, over-arousal, flatness, or next-day stiffness after a major weekend, I would not ignore that just because the dog is not obviously lame. Dogs do not have to be three-legged lame before their body is telling us something.

Recovery is when adaptation happens

Recovery is often treated as “time off,” but that is too simplistic. Recovery is the period when the body returns toward baseline after a training stimulus and, if the training load was appropriate, adapts so the athlete is better prepared for future work. The IOC consensus statement describes adaptation as occurring through cycles of loading and recovery, while excessive loading or inadequate recovery can lead to maladaptation and increased susceptibility to injury.

For agility dogs, recovery does not always mean strict rest. For a healthy dog, recovery may include sleep, decompression walks, easy off-leash movement where appropriate, low-arousal sniffing, gentle mobility, swimming if the dog is already conditioned for it, or other low-demand activities. For some dogs or some situations, more complete rest may be appropriate. The point is not that every dog needs the same number of days off. The point is that the recovery should match the previous load and the individual dog.

A dog who ran one local trial day on familiar footing may not need the same recovery as a dog who traveled across the country, slept poorly, ran multiple high-pressure days, warmed up and cooled down repeatedly, and then came home flat or sore. A dog who is young, fit, and has no injury history may recover differently than an older dog, a dog with prior iliopsoas or shoulder injury, or a dog who is generally slow to bounce back after hard work.

Recovery should be planned, not treated as what happens only after the dog looks bad.

Periodization: planning the season, not just the week

Periodization is one of those terms that sounds more complicated than it really is. At its core, it means organizing training over time so the athlete is prepared to perform well at the events that matter most, while still allowing enough recovery for adaptation. In the human sports literature, periodization is generally described as the planned manipulation of training intensity, duration, frequency, and specificity to help the athlete reach peak performance for important competitions.

You cannot ask for peak performance every day, every week, indefinitely.

For agility, I think the first step is identifying which events actually require a peak. Not every trial can be the most important trial. If every weekend is treated like the major event, then there is no real plan, there is just ongoing exposure to workload. For most teams, peak events might include Nationals, the US Open, tryouts, EO/AWC team events, a major regional event, or maybe a specific trial where the dog needs to finish qualifications. Those events should be identified first, and then the training and competition schedule should be built around them.

This does not mean the dog cannot trial outside of those events. It means the purpose of those trials may be different. Some trials may be used as training opportunities, ring experience, confidence-building, or maintaining trial routine. Other events are the ones where we are asking the dog to be at their best. Those should not all be treated the same from a workload planning standpoint.

In human endurance sports, traditional periodization often includes a preparatory period, a competitive period, and a transition or active recovery period. The classic model begins with more general preparation and lower-intensity volume, then gradually shifts toward more event-specific work as the main competition approaches. I do not think we can simply copy that model and paste it onto agility dogs, but the framework is useful.

For agility, I would think about the year in several practical phases.

The transition or recovery phase is the period after a major event or after the end of a competition block. The goal is not peak performance. The goal is recovery, addressing soreness or injuries, mental decompression, and rebuilding general soundness. This might include reduced agility work, more low-pressure movement, general conditioning, hiking, swimming if appropriate for the dog, strength work, and veterinary or rehab follow-up if needed. This is also a good time to honestly assess what held the dog back during the previous season.

The base or preparatory phase is where the goal is building the dog’s underlying capacity. This is where general fitness, strength, body awareness, aerobic conditioning, mobility, and foundational skills matter. In this phase, agility volume may be relatively controlled, but the dog is becoming more prepared for future work. For many agility dogs, this is probably the phase that gets skipped. We go straight to coursework and trialing, but the dog may not have the strength, conditioning, or tissue capacity to tolerate repeated high-intensity agility work.

The build phase is where training becomes more agility-specific. This is where you gradually increase speed, sequencing, jumping efforts, weave performance, contact performance, proofing, and trial-like demands. The key word is gradually. This is not where we suddenly add multiple classes, a seminar, a weekend trial, and a new conditioning plan at the same time. The goal is to increase the dog’s chronic workload so that the eventual peak event is not a massive spike.

The pre-competition phase is where the dog should already be fit enough for the event, and the focus shifts toward specificity. For agility, this may mean more event-like work: full-height obstacles, course sections, sequencing, startline routine, arousal regulation, warm-up and cool-down practice, and practicing the type of challenges the dog is likely to see at the upcoming event. This is not the time to dramatically increase total workload. The dog should be sharpening, not being newly built.

The taper or deload is the planned reduction in workload before an important event. A taper does not mean doing nothing, and it does not mean the dog is losing fitness. The goal is to reduce accumulated fatigue while maintaining readiness, confidence, and timing. In human sport, competitive periods often involve reduced overall volume while maintaining or strategically adjusting intensity so the athlete can perform well when it matters. Reviews in runners and cyclists describe this general shift toward lower volume and more competition-specific work as important events approach.

For an agility dog, a taper might mean shorter sessions, fewer total repetitions, less drilling, no new hard skills, no major conditioning increases, and no “panic training” the week before the event. The dog may still do agility, but the sessions should leave the dog feeling sharp and confident, not physically or mentally depleted. A good taper session might include a few successful contacts, a small number of jumping efforts, some handling timing, and maybe one or two short sequences. It should not be 45 minutes of fixing every weakness the handler is suddenly worried about.

This is where I think many agility people struggle. The week before a major event is emotionally hard for the handler. It is very tempting to try to fix the thing that is making us anxious: the new running dogwalk, the weave entries, the backside commitment, the collection cue. But the week before a major event is rarely the best time to create new understanding or add workload. At that point, the goal should usually be clarity, confidence, and freshness.

After the peak event, there should also be a recovery period. This is especially true after a multi-day event involving travel, high arousal, long days, different surfaces, and repeated maximal efforts. Recovery does not have to mean strict crate rest for a normal, healthy dog. It may mean decompression walks, easy movement, sniffing, gentle conditioning, and several days without high-speed agility, jumping drills, weave drilling, or hard contact work. The exact plan depends on the dog and the event, but the recovery period should be planned early, not only after the dog is sore or flat.

The important point is that periodization is not just something elite human athletes do. It is a way of asking: What are we preparing for? When does the dog need to be at their best? What capacity do they need to build before then? When do we increase load? When do we reduce load? When do we recover?

Even for the average agility dog, periodization may be complicated because major events often require months of qualification before the event itself. AKC Nationals is a good example. A dog does not simply train for NAC and then show up in March. The dog has to qualify during the qualifying period, which may require 7 double Qs, 550 MACH/Premier points, and potentially Premier legs or Premier points that substitute for part of the requirement. That means the qualification process itself may require repeated trial weekends, travel, multiple runs per day, and sustained competition load long before the actual “peak” event. In other words, NAC is not just one weekend in March. From a workload standpoint, it may represent an entire qualification season.

This is where planning becomes important. If a dog’s goal is NAC, the handler may need to think in terms of a qualification phase, a specific preparation phase, a taper, and a post-event recovery phase. During the qualification phase, the dog is accumulating the legs and points needed to attend, but the handler should still be asking how much trialing is truly necessary, which weekends are most strategic, and where recovery can be built in. Not every qualifying opportunity needs to be treated the same. Some trials may be important for earning points or double Qs, while others may be unnecessary load if the dog is already on track. Once the dog is qualified, the purpose of trialing should change. At that point, the question should shift from “Can we get more Qs?” to “What does this dog need in order to arrive at NAC fit, confident, and fresh?”

For a dog whose main goal is NAC or UKI Open, the plan might not be a simple off-season/build/peak model. A more realistic model may be: recover after the previous major event, build general strength and fitness, use selected trials strategically to qualify, avoid stacking too many trial weekends simply because they are available, then reduce total training and trialing volume as the major event approaches. The taper before the event should not be the first time the dog gets recovery. Recovery should be placed throughout the qualification period so the dog is not arriving at the major event already carrying months of accumulated fatigue.

For dogs with international goals, the problem becomes even more pronounced. The current agility calendar is not particularly friendly to clean periodization. EO Tryouts may be at the end of February or beginning of March, AKC Nationals are in March, UKI Invitational is at the end of March, AKC/USA AWC Tryouts are in April or May, WAO is in May, EO is in July, AWC is in September, and UKI Open is in November. That is not a season with one obvious peak. It is a long series of high-pressure events, many of which require the dog to be fit, sharp, technically prepared, and mentally fresh with relatively little time between them. For these teams, periodization may be less about creating one perfect peak and more about prioritizing which events matter most, maintaining a high but sustainable level of preparedness, and being very intentional about micro-recovery blocks between major efforts. It may also mean accepting that the dog cannot be at their absolute best for every major event on the calendar.

The important point is that a calendar full of opportunities is not the same thing as a training plan. Qualification requirements make this harder because handlers may feel like they have to keep entering trials to chase legs and points. But from a workload perspective, those qualifying weekends still count. Premier legs count. Standard and JWW runs count. Warm-ups, travel, arousal, footing, and recovery all count. Periodization does not make the calendar easy, especially when qualification requirements and major events are packed close together. It simply gives us a framework for making difficult choices about which events are priorities, which events are preparation, where workload can be reduced, and where recovery can be protected.

What do we actually know in agility dogs?

This is where we need to stay honest. Canine agility has a high reported injury rate. In one of our large survey studies, 41.4% of dogs had a reported injury history and 15.0% had a severe injury history (defined as injury lasting >3 months). Several training and competition variables were associated with injury history, including jump height relative to shoulder height, competing at national events, and the age at which certain agility training was started. However, this was a retrospective survey, and many variables that people may assume are important were not significant in the final model.

That means the data are useful, but they do not give us simple rules. We cannot say, based on current agility literature, that a certain number of runs, jump repetitions, weave repetitions, trial weekends, or rest days will reliably increase or decrease injury risk for every dog.

We also have preliminary agility workload data, but it is limited. In our training load abstract, reported weekly training time showed a more complex relationship with injury history than “more is worse.” There appeared to be an inverted U-shaped association, with higher reported injury history in intermediate training-time categories and lower reported injury history in dogs with very low or very high reported training time. More importantly, we noted that training time alone is a crude workload measure because it does not capture speed, repetitions, intensity, duration, or the difference between acute and chronic workload.

That is the main problem. We are trying to make workload decisions with incomplete tools. A dog’s workload is not just minutes per week. It is the intensity of those minutes, the number and type of repetitions, the dog’s speed, the surface, the spacing, the technical demands, the rest intervals, the travel, the stress, and what the dog has done in the days and weeks before.

What does this mean for handlers?

The practical takeaway is not that every dog needs the same number of rest days, or that every major weekend should be followed by a specific protocol. The takeaway is that workload should be planned, not guessed.

Handlers can start by identifying which events are true priorities, treating qualification weekends as real workload, building recovery into the calendar, watching for stacked stressors, tapering before major events, and responding early when the dog’s movement or performance changes. Those recommendations are simple in theory, but they are harder in practice, especially when qualification requirements and major events are packed close together.

I'm working on a separate practical follow-up post with specific recommendations for handlers: how to think about qualifying, preparation trials, tapering, recovery, tracking workload, and recognizing pattern changes before they become obvious injuries. Stay tuned!

Why AGILE matters

This is exactly why AGILE is important. Right now, most agility workload decisions are based on observation, handler memory, and rough estimates. That is not because handlers are not paying attention. It is because agility has not had tools that can objectively quantify sport-specific workload in dogs.

AGILE is being developed to help measure what handlers currently cannot reliably count or quantify: speed, acceleration and deceleration, intensity, distance, duration, repetitions, rest periods, obstacle-specific activity, and changes in performance variability over time. The current AGILE project is designed to collect longitudinal workload data from agility dogs, characterize normal patterns and dog-to-dog variability, and look for early deviations that may suggest increased injury potential.

The initial AGILE work already showed that a canine-wearable sensor and machine learning can recognize agility-specific activity and differentiate obstacles. The next step is moving beyond obstacle recognition toward meaningful workload and variability metrics that can be used in real-world training and competition settings.

That does not mean AGILE can currently predict injuries. We are not there yet, and I think it is important not to overpromise. But the long-term goal is to move from “I think my dog looked tired” to “this dog’s speed, repetitions, obstacle performance, or movement variability changed from their normal pattern after this workload.” That kind of information could help handlers, trainers, and veterinarians make better decisions about training, recovery, return to sport, and injury prevention.

The bottom line

The “bounce” discussion is valuable because it is really a discussion about workload, recovery, fatigue, preparedness, and how seriously we treat dogs as athletes. I do not think we should turn anecdotal observations into rigid rules. I also do not think we should dismiss the concept simply because we do not yet have perfect canine-specific data.

Agility dogs are being asked to perform fast, technical, repetitive, high-arousal work. It is reasonable to expect that workload and recovery matter. It is reasonable to expect that sudden spikes in workload may affect performance and potentially injury risk. It is also reasonable to expect that dogs with better progressive preparation may tolerate higher workloads than dogs who are underprepared.

Until we have better data, the most responsible approach is to build fitness progressively, avoid sudden workload spikes, plan recovery, track what our dogs are actually doing, and pay attention when their performance or movement changes.

Dogs do not have to be obviously lame before we listen to them.

Suggested Reading:

https://www.scienceforsport.com/acutechronic-workload-ratio/?srsltid=AfmBOoqmXSvA9IAB1P4EPky7jAloeiCfNAYOVYhklTm3p0vXWsgrkoFn

References:

Agility / canine papers

Pechette Markley A, Shoben AB, Kieves NR. Internet Survey of Risk Factors Associated With Training and Competition in Dogs Competing in Agility Competitions. Frontiers in Veterinary Science. 2022;8:791617. doi:10.3389/fvets.2021.791617.

Frontiers | Internet Survey of Risk Factors Associated With Training and Competition in Dogs Competing in Agility Competitions

Pechette Markley A, Shoben AB, Kieves NR. Training Load and Relationship to Injury Risk in Dogs Competing in Agility Competitions. ACVSMR Abstract. 2023.

Pechette Markley A, Shoben AB, Kieves NR. Risk Factors for Injury in Border Collies Competing in Agility Competitions. Animals. 2024;14:2081. doi:10.3390/ani14142081. https://www.mdpi.com/2076-2615/14/14/2081

Equine papers

Enhancing Canine Performance Through Innovation