Strides are short accelerations of about 15 to 25 seconds, built up to roughly mile pace or a bit faster, then eased off, with full recovery between each one. They take five minutes, cause almost no fatigue, and train your nervous system to recruit muscle quickly and run fast while relaxed. That is why nearly every distance runner, from beginner to elite, benefits from doing them a few times a week.
What exactly is a stride?
A stride is not a sprint and not an interval. You start at a jog, accelerate smoothly over the first third, hold a fast, relaxed pace through the middle, then float down. The top speed is quick, often around mile to 800 m effort, but you never strain.
- Length: 15 to 25 seconds, or about 80 to 120 m.
- Recovery: walk or jog 45 to 90 seconds, until you feel fully ready for the next one.
- Number: 4 to 8.
- Surface: flat grass, a track, or a smooth road. A very gentle downhill or uphill works for variety.
Why do strides help distance runners?
They keep speed in the system
Distance training is mostly easy running. Easy running builds the aerobic engine but rarely asks your legs to produce high force quickly. Without some fast running, top speed and the coordination behind it can fade. Our coaching method includes strides or hill sprints from the very start of a base phase so speed is protected while volume grows.
A bigger speed reserve also means race pace feels less close to your limit, which helps late in a race when you need to change gear.
They train the nervous system, not just the muscles
Running fast requires your nervous system to recruit more muscle fibers, fire them in the right order and relax the opposing muscles at the right moment. Short, fast, relaxed running practices that skill without creating fatigue. You are rehearsing good mechanics at speed.
They support running economy
Running economy is the oxygen cost of running at a given pace. A review of strategies to improve economy found that, beyond endurance training itself, short-term resistance and plyometric training can improve economy, likely through better neuromuscular characteristics. A controlled study in well-trained endurance athletes found that replacing about a third of training with explosive-type strength work for nine weeks improved 5K time and running economy without any change in VO2 max.
Strides are not the same as a structured plyometric or sprint program, and they have not been studied as a standalone intervention to the same degree. But they sit in the same family: short, fast, low-fatigue efforts that train the neuromuscular side of running. A 2024 meta-analysis of strength training in middle and long-distance runners found plyometric training alone did not reach significance for performance, while heavy strength and combined methods did, which is a reminder that strides are a supporting tool, not a replacement for strength work.
They make the next workout feel better
Strides at the end of an easy run the day before a key session help many runners feel springy instead of flat. The same idea is used in a taper: short fast running restores muscle tension without adding new damage.
How do you do strides correctly?
- Run them after an easy run, when you are warm. Never cold.
- Build, hold, float. Accelerate over 5 to 7 seconds, hold for 5 to 10, ease off for the last few.
- Stay relaxed. Loose hands, quiet shoulders, tall posture, feet landing close under your body. If your face is tense, back off.
- Recover fully. Walk or jog until your breathing is normal. Strides are about quality, not fatigue.
- Stop when form slips. If you start pressing, end the set.
How often should you do strides?
For most runners, two or three times a week works well:
- After one or two easy runs
- In the warm-up before a workout or race
- The day before a key session or race
Beginners can start with 4 relaxed strides once or twice a week after an easy run, then build gradually. If you have a sore calf, Achilles or hamstring, skip strides and talk to a doctor or physio before resuming fast running.
How are strides different from hill sprints?
Hill sprints are shorter, about 6 to 10 seconds, and close to maximal effort up a moderate slope, with several minutes of rest. They build more force and power, and the hill reduces strain compared with flat sprinting. Strides are longer, less intense and more about rhythm and relaxed speed. Many runners do both: strides two or three times a week, hill sprints once. See hill sprints for distance runners.
Where do strides fit in a training plan?
They fit almost everywhere. In a base phase they protect speed. During a threshold-heavy block they counterbalance the steady work so you do not get slow. Before races they prime the legs. For how they fit alongside threshold runs, intervals and long runs, read running workouts explained, and if you are curious how speed and economy relate to your aerobic ceiling, see VO2 max for runners.
How your HealthAI coach applies this
Your coach writes strides into your two-week plan on chosen easy days and before key sessions, with the number and length set for your experience and event. When you log the run, note how the strides felt, and your coach uses that alongside your check-ins on soreness and energy. If something hurts, your coach will drop the fast running and point you to a doctor or physio. See plans from $30 a month.
Your coach builds this around your training data. Start at HealthAI.coach.
Sources
- Barnes KR et al., Strategies to improve running economy. Sports Medicine, 2015. doi:10.1007/s40279-014-0246-y
- Paavolainen L et al., Explosive-strength training improves 5-km running time by improving running economy and muscle power. Journal of Applied Physiology, 1999. doi:10.1152/jappl.1999.86.5.1527
- Llanos-Lagos C et al., The Effect of Strength Training Methods on Middle-Distance and Long-Distance Runners' Athletic Performance: A Systematic Review with Meta-analysis. Sports Medicine, 2024. doi:10.1007/s40279-024-02018-z