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Gymdumbbell + step

Weighted single-leg calf raise

The calf and the Achilles tendon, under more load than bodyweight gives.

You need
A step or a plate on the floor and one dumbbell. A standing calf machine works too.
Why it is in the plan
Once bodyweight calf raises pass 20 reps, weight is the way to keep building capacity for long climbs.

How to do it

  1. 1Hold a dumbbell in the hand on the same side as the working leg. The other hand holds a rail.
  2. 2Stand on one foot on the step edge, heel free, knee straight.
  3. 3Rise as high as you can, then lower over three seconds until the heel is below the step.
  4. 4All reps on one leg, then switch.

Easier

Lighter dumbbell, or bodyweight.

Harder

Heavier dumbbell. Keep the three-second lowering.

Common mistake

Bouncing out of the bottom. Pause for a moment with the heel low, then rise.

Home version: Single-leg calf raise (step)

Used in: 20 km trail, 50 km ultra, 100–120 km ultra, Easy base

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Ridgework writes training weeks for trail and mountain. It is not a medical device, not healthcare, and not a substitute for a clinician, a guide, or rescue. Research citations inform the week structure; they are not prescriptions. You remain responsible for safety in the mountains and in training.