After a hard training session, the last thing many runners want to do is lace up again the next day. But a short, easy jog, what coaches call a recovery run, is one of the more underappreciated tools in an endurance athlete's programme.

That said, the sceptics aren't entirely wrong. Our companion piece, Recovery Runs Are a Waste of Time, raises real points worth understanding, especially for novice runners. Recovery runs are only useful when used correctly, and they're frequently not.

What a Recovery Run Actually Is

A recovery run is a short, genuinely low-intensity run - typically 20 to 50 minutes - performed at a pace slow enough to keep heart rate below roughly 65% of your maximum heart rate. This is usually much slower than most runners expect: think conversational, almost plodding. If it doesn't feel excessively easy, it's probably not a recovery run (or you’re not tired enough to need it). 

Done correctly, it has a different physiological profile from other easy runs. It's active recovery with a specific purpose: gently increasing blood flow to stressed muscles without adding meaningful load.

The Physiological Case

The science behind recovery runs is grounded in basic exercise physiology. After intense training, waste products accumulate in the muscles, inflammation increases, and the body begins its repair process. Light aerobic movement accelerates blood circulation to the exact tissues that were stressed, helping flush out metabolic by-products and deliver nutrients needed for repair.

A recovery run can help some athletes feel “ready” to train faster than if they do nothing or if they do a faster run. But for others for whom 65% of max heart rate is difficult to achieve while running (novice runners for example) cycling, elliptical or swimming is a better tool.

There's also an adaptation benefit specific to high-mileage athletes. Elite runners accumulating 120–180km per week need to spend a chunk of that time at a very easy pace (light jogging) in order to be able to amass the volume required alongside the intensity.

The Mental Load Case

Running is as much a mental practice as a physical one. One of the less-discussed benefits of recovery runs is psychological continuity: maintaining the habit, rhythm, and routine of daily movement without the psychological cost of a hard effort. If we only ever run hard the brain associates running with pain and discomfort, so trotting along a nice trail at 65% of maximum heart rate can shift those associations to more positive ones.

Many athletes find complete rest days disruptive to their routine and headspace, particularly during heavy training blocks. A 30-minute easy run keeps the body moving, keeps the mind engaged, and avoids the stiffness and mental flatness that some runners experience after a full day off.

When Recovery Runs Work Best

Recovery runs are most useful in certain contexts:

High-mileage runners that are training more than 100km each week, where easy running is a necessary counterbalance to quality sessions and helps maintain aerobic volume without overtaxing the system.

Multi-day training blocks such as marathon buildups or ultra-preparation, where back-to-back days of running are unavoidable and the body needs active management between hard sessions.

Athletes with strong aerobic efficiency who can reliably hold the required low heart rate.

The day after a long run, specifically, where the legs often benefit from light movement to reduce stiffness and clear the residual fatigue from the previous day's effort.

But… it’s not that simple

Whilst we’ve hinted here that recovery runs aren’t for everyone, you’ll find the case against more clearly expressed in our companion piece Recovery Runs Are a Waste of Time

How to Do Them Right

• Pace by feel or heart rate, not speed. Use a heart rate monitor if needed. Target under 65% of your maximum heart rate.

• Keep them short. 20–40 minutes is enough. Longer than an hour at recovery pace starts to accumulate fatigue without adding recovery benefit.

• Run on forgiving surfaces like trails or grass to reduce impact stress.

• Don't do them every day. They're a specific tool for specific placement in a training schedule, not a default filler session.