Move with control
Running mobility: what runners actually need
Runners need enough ankle and hip range for a comfortable stride, not extreme flexibility. Strength training does more for running economy and injury risk than stretching. Check your ankles and hips, keep a short mobility routine and add two strength sessions a week.
By Dai Manuel (Coach Moose) · Last reviewed
How can I test myself?
Standing hip extension check
Draft, awaiting coach confirmation.
Stand tall holding a support. Keeping your pelvis still and your lower back quiet, move one leg straight behind you.
Pass standard: Draft standard for coach confirmation: the thigh moves behind your body without your lower back arching or your pelvis tipping forward.
Which movements can it limit?
Ankle range
Limited ankle range can change how your foot lands and pushes off. Check it with knee to wall.
Hip extension
A stride needs the back leg to extend behind you. Tight hip flexors can shorten it.
These are coaching applications of movement demands, not validated HYROX performance predictions. The studies below examine general mobility and resistance training.
How can I work on it?
End-range strength
Walking lunge with reach
Take a long step into a lunge and reach both arms overhead before stepping through.
- Regression
- Use a shorter step.
- Progression
- Add a gentle rotation over the front leg.
- Sets and reps
- 10 steps.
- Frequency
- Before runs.
Loaded position
Split squat
Lower into a split stance until the back knee is close to the floor.
- Regression
- Hold a support and shorten the range.
- Progression
- Add dumbbells.
- Sets and reps
- 3 sets of 8 per side.
- Frequency
- Twice a week.
Soft tissue / passive
Gentle calf and quad rolling
Roll the calf and the front of the thigh gently as a warm-up step, then do a few walking lunges.
- Regression
- Use less body weight on the roller.
- Progression
- Follow the rolling with a longer lunge hold.
- Sets and reps
- 30 to 60 seconds per area.
- Frequency
- Before runs, as needed.
When should I retest?
Retest every deload week, using the same setup. Look for a more comfortable position, steadier control and changes in measured range. Compare like with like, not a warmed-up attempt with a cold one.
When should I see a physio?
Stop if a test or drill causes pain. Pain, numbness, or no change after six weeks is a reason to see a physio. This screen is not a diagnosis.
What would Coach Moose say?
Most runners I see need more strength, not more stretching. Keep the mobility short and the strength regular.
What else should I know?
Does stretching prevent running injuries?
Evidence for stretching alone is weak. A large meta-analysis found strength training reduced sports injuries considerably more.
Should I stretch before a run?
A dynamic warm-up works well. Save longer static holds for after the run if you enjoy them.
How does this help with HYROX?
Every HYROX race includes 8 km of running. Better ankle and hip control helps you run between stations with less strain.
When should I see a physio?
Stop at pain. Pain, numbness or no change after six weeks is a reason to see a physio for individual assessment.
What does the research say?
- Lauersen, Bertelsen and Andersen (2014). The effectiveness of exercise interventions to prevent sports injuries: a systematic review and meta-analysis of randomised controlled trials.
- Blagrove, Howatson and Hayes (2018). Effects of strength training on the physiological determinants of middle- and long-distance running performance: a systematic review.
- Behm, Blazevich, Kay and McHugh (2016). Acute effects of muscle stretching on physical performance, range of motion, and injury incidence in healthy active individuals: a systematic review.