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SESK: Stuff Everyone Should Know · sesk.info/run-when-to-stretch

If you stretch as part of running, when is the best time, according to Mayo Clinic?

After the warm-up or cool-down, when muscles are warm.

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  1. After the warm-up or cool-down ✔
  2. First thing, before any movement
  3. Only halfway through the run

Why: Muscles stretch better when they are warm. Stretching can improve flexibility and range of motion, but studies haven't regularly shown that it prevents soreness or injury.

Huh, didn't know that: Mayo Clinic Health System therapists suggest holding each stretch for 20 to 30 seconds without bouncing.

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References

Answer: After the warm-up or cool-down. Muscles stretch better when they are warm. Stretching can improve flexibility and range of motion, but studies haven't regularly shown that it prevents soreness or injury.

  1. Mayo Clinic: Aerobic exercise, how to warm up and cool down www.mayoclinic.org/healthy-lifestyle/fitness/in-depth/exercise/art-20045517
    it's best to do them after the warm-up or cool-down phase. Then the muscles are warm when you stretch.
    Checked 2026-10-12.
  2. Mayo Clinic Health System: How can I become a better runner and avoid injury? www.mayoclinichealthsystem.org/hometown-health/speaking-of-health/how-can-i-become-a-better-runner-and-avoid-injury
    Stretch regularly after a run and hold the stretch for 20
    Checked 2026-10-12.

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