Mind over matter. Push yourself. Empty the tank.
Whether you’re a runner, cyclist, or gym rat, you likely hear these phrases over and over (and over) again. However, in some cases, more isn’t always better when it comes to your training regimen. And overtraining your muscles and joints can even damage your long-term health.
If you’re now anxiously rethinking your exercise schedule, don’t. Here, we’ll break down how to know if you’re overtraining — and why it’s important to avoid pushing yourself too far.
After a long run or a grueling lifting session, you likely feel a bit fatigued or sore the following day. When you work out, your training causes microtears in your muscles. Over time, as your body repairs these tears, your muscles strengthen. This process may cause some soreness. But if you’re feeling constantly fatigued, tired, sore, or even noticing performance dips, you may be verging into more dangerous territory — overtraining.
Overtraining is a syndrome that occurs when you overwork your muscles without enough rest and recovery. Before developing this condition, you may experience overreaching — a state spurred by working too long or too hard in a way that leads to performance decreases. It can happen to anyone, but, but it tends to be most common in competitive athletes. According to the Cleveland Clinic, experts estimate that approximately one-third of high-level athletes experience some degree of overtraining. If you have overtraining syndrome and are known to push your body to it’s max without scheduling in enough time for rest and recovery, you’re at higher risk for sports injuries like muscle strains, sprains, tendinitis, cartilage tears, and joint issues.
Physical symptoms like muscle pain, fatigue, and sports injuries aren’t the only major downsides of overtraining — you can also experience mental and emotional symptoms like anxiety, loss of motivation, and depression. A 2024 systematic review published in Sports Medicine found a decrease in cognitive function when athletes overtrained or didn’t give themselves adequate recovery time. Typically, as the review notes, we associate exercise with an increase in mental abilities, such as thinking, processing, learning, remembering, and problem solving, making such a dip particularly concerning. Additionally, 2020 research published in Frontiers in Endocrinology indicates that overtraining can cause a decrease in testosterone levels.
And even beyond these negative impacts on your mind and body, overtraining can set you pretty far back in terms of your athletic abilities, with research showing that it can be hard to regain your previous performance levels after developing overtraining syndrome.
As a medical condition, overtraining is significantly different from everyday fatigue and muscle soreness. That said, if you’re a dedicated athlete looking to up your game and reach peak performance, it can be difficult to know when you’re pushing the bounds too far.
Depending on the fitness tracker you use, some metrics can help indicate when you may be crossing an unwanted threshold. If you have a WHOOP, a consistent strain score of 18 to 21 (“All Out”) could mean you are overreaching. The company calculates this score based on your heart rate and your recorded strength activities, taking into account both your cardiovascular and strength-based workouts. It factors in things like weights, reps, and sets to get an idea of how much demand you’re putting on your muscles, bones, joints, and other parts of your musculoskeletal system.
Or if you use the Athlytic app, the recovery score can indicate when you might be in need of a rest day due to a particularly strenuous workout. Athlytic calculates this score using your resting heart rate and heart rate variability. (Note: Unlike WHOOP, this score may not be as accurate in regard to muscular fatigue.)
While apps and trackers like these can help you scale back and prevent you from developing overtraining syndrome, it’s still really important to also listen closely to the signals your body is sending you.
Here are some other signs you may be veering into overtraining territory:
Even though these symptoms seem pretty clear and obvious, overtraining is actually pretty difficult to diagnose. Every athlete has a different set of symptoms and there isn’t a standard diagnostic test. If you think you may have overtraining syndrome, speak to a medical professional who will be able to give you guidance about how to proceed.
As a severe medical condition, it takes time to recover from overtraining syndrome. It can negatively affect your athletic performance for two to three months — and even cause mood disturbances. If you’re experiencing overtraining, take time away from your sport and rest your body. When you get the green light to resume training, go easy. Experts recommend slowly building up the length of your workouts over time, rather than focusing on the intensity. For example, you may start out with five minutes of easy jogging before gradually working up to an hour.
When you return to training, remember to integrate rest into your exercise schedule to avoid repeating your past mistakes. If you struggle to give your body time off from the gym, it may be helpful to speak to a sports psychologist.
Since overtraining syndrome is so serious and takes a while to recover from, it’s critical to notice potential warning signs. By allowing yourself adequate rest and recovery time, you’ll prevent yourself from developing this syndrome. And contrary to what you may think, giving yourself time off may actually lead to gains in your sport. Research found that when followed by proper rest and recovery, overreaching can actually lead to increased athletic performance.
Currently, more scientific research is needed to understand why and how certain athletes develop overtraining syndrome. However, by balancing your training pushes with adequate rest and making moves to reduce the presence of stressors in your life, you’ll hopefully be more likely to steer clear of wading into overtraining territory.
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