Injury Prevention: Building Strong Ankles for Trails

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22 Sep 2026

Injury Prevention: Building Strong Ankles for Trails

Why Trails Are Hard on Ankles

Road running is predictable. The surface is flat, the camber is gentle, and your foot lands roughly where you expect it to. Trails are the opposite. A root hidden under leaf litter, a rock that shifts as you push off, a rut filled with mud — each one asks your ankle to make a split-second decision. Most of the time it gets it right. When it doesn't, the foot rolls inwards, the ligaments on the outside of the joint stretch beyond their comfort zone, and you're hopping home on one leg.

Here's the frustrating part: regular running doesn't prepare you for this. Running strengthens your calves and Achilles in a straight line, but it does very little for the small muscles around the ankle that control sideways movement. Those muscles need specific work — and it takes less time than most runners expect.

The Two Qualities That Keep You Upright

Ankle resilience comes down to two things.

Proprioception — your brain's sense of where your foot is in space without looking at it. Good proprioception means you feel the wobble early and correct it before it becomes a sprain.
Reactive strength — the ability of the muscles around the ankle to fire quickly and forcefully when the ground moves underneath you.

Both are trainable, and both respond well to short, regular sessions rather than one heroic effort every few weeks. Two ten-minute sessions a week will do more for your ankles than an hour of balance work once a month.

Balance Work: Slow, Boring, Brilliant

Start with single-leg stands. Stand on one foot with the other knee lifted, hips level, and hold for 30 to 45 seconds. Do three on each side. That's the baseline — if it feels easy, you're ready to make it harder.

Progressions, roughly in order of difficulty:

Stand on a folded towel, cushion or wobble board.
Close your eyes (do this near a wall or a friend).
Turn your head slowly left and right whilst balancing.
Reach the free foot forward, to the side and behind, tapping the floor lightly.
Pass a ball or a water bottle between your hands whilst balancing.

The trick is to keep it honest. Most runners cheat by gripping with their toes or letting the standing foot drift. Keep the foot relaxed and let the ankle do the work. It's also a brilliant thing to do whilst the kettle boils or your teeth get brushed — no gym kit required.

Controlled Hopping: Teaching the Ankle to React

Balance work builds the sensor; hopping builds the response. Start gently and always land softly, absorbing through the whole leg rather than just the ankle.

Pogo hops — both feet, small and quick, 20 to 30 seconds.
Side-to-side hops — hop laterally over an imaginary line, landing on one foot, then the other.
Hop and stick — hop forward and land on one foot, holding the position for a full three seconds without any wobble. If the ankle shakes, the hop was too far.
Compass hops — single-leg hops forward, back, left and right, returning to the centre each time.

Two or three sets of eight to ten repetitions is plenty. Stop as soon as your landings get sloppy — tired, sloppy hopping trains sloppiness, not strength. If you're new to this, spend two weeks on balance work first, then introduce hopping on grass or a soft trail rather than tarmac or a hard gym floor.

Pulling It Together: A Simple Weekly Routine

You don't need much. Here's a template that fits around club runs:

Twice a week, ten minutes: three single-leg stands each side, three sets of calf raises — ideally single-leg, off a step — and two sets of hopping.
Before a trail session: two minutes of single-leg balancing as part of your warm-up. It wakes up the ankle before it has to deal with roots.
Every few weeks: make it harder rather than longer. Eyes closed, softer surface, further hop, slower landing.

Add in some hip and glute work — bridges, side-lying leg lifts, single-leg squats — because a wobbly hip sends more work down to the ankle. The ankle rarely works alone.

When to Ease Off

Some soreness after new hopping work is normal, particularly in the calf and the front of the shin. Sharp pain, swelling, bruising or a joint that feels unstable is not — rest it, and speak to a physiotherapist or your GP rather than running through it. If you've sprained an ankle before, you're more likely to do it again, which makes this work more valuable, not less.

Finally, a word of realism: no programme will make you sprain-proof. Trails are unpredictable by nature. But stronger, more responsive ankles cope better when the ground shifts, and recover faster when it does. Ten minutes, twice a week, and a bit of consistency — that's the whole bargain. Your future self, somewhere on a muddy descent, will thank you for it.

Injury Prevention

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5 Comments

Robert Sonny says Jul 21, 2024 at 10:00am

I must explain to you how all this mistaken idea of denouncing pleasure and praising pain was born and I will give you a complete account of the system
Reply
- John Abraham says Jul 21, 2024 at 10:00am
  
  I must explain to you how all this mistaken idea of denouncing pleasure and praising pain was born and I will give you a complete account of the system
  Reply
  - Robert Sonnysays Jul 21, 2024 at 10:00am
    
    I must explain to you how all this mistaken idea of denouncing pleasure and praising pain was born and I will give you a complete account of the system
    Reply
Robert Sonny says Jul 21, 2024 at 10:00am

I must explain to you how all this mistaken idea of denouncing pleasure and praising pain was born and I will give you a complete account of the system
Reply

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