Hill training
Strength work disguised as running — high effort, low impact, and the most forgiving hard session there is.
- A hard session with less impact — the gradient reduces landing forces while raising the effort.
- Effort matters more than the gradient. A moderate hill run properly beats a steep one survived.
- Six to ten repeats of 45–90 seconds is a common working range.
- Jog down. The descent is recovery, not part of the workout.
What it is for
Hills do two jobs at once. The incline recruits more muscle than flat running, so it is genuinely strength work — and because the ground rises to meet you, each footfall lands with less force than the same effort on the flat.
That combination is unusual: a hard session that is comparatively gentle on tissue. It is why hills are often the first quality session a returning or injury-prone runner adds back, and why plenty of coaches use them before introducing track work.
They also tidy up form. Running uphill makes an overstride nearly impossible and encourages a higher cadence and a more active push — largely without having to think about any of it.
How it should feel
- Going up: hard and controlled. Short strides, quick feet, upright rather than bent at the waist.
- At the top: genuinely breathing, and able to turn round and jog down.
- Coming down: easy, deliberately. Let the legs recover.
- Afterwards: worked rather than wrecked. Some glute and calf soreness the next day is normal, especially early on.
How much is enough
Six to ten repeats of forty-five to ninety seconds, once a week when a block calls for it. Start at six. The session compounds more than it feels like it will, and the useful version is the one you can repeat next week.
| Session | Repeat | Recovery | Emphasis |
|---|---|---|---|
| Short hills | 8 × 30 s, steep | Jog down | Power and form |
| Standard | 8 × 60 s, moderate | Jog down | Strength and aerobic power |
| Long hills | 5 × 3 min, shallow | Jog down | Sustained climbing strength |
Warm up for at least ten minutes on the flat first. Hill repeats on cold calves are a reliable way to meet an Achilles problem.
What runners commonly get wrong
- Choosing a hill that is too steep. If form falls apart, the session stops training running and starts training climbing.
- Racing the descent. The most likely way to get hurt in an otherwise low-risk session.
- Doing too many, too early. Six good repeats beat ten that degrade — and the soreness from an over-ambitious first session tends to cost the rest of the week.
- Leaning from the waist. Lean slightly from the ankles, chest open. Folding forward closes the hips and shortens the stride in the wrong way.
Common questions
How steep should the hill be?
Steep enough to feel like work and shallow enough to keep running form recognisable — a moderate incline you could run up for a minute or so without it turning into a scramble. If your stride collapses, the hill is too steep for the session.
How many hill repeats should I do?
Six to ten repeats of forty-five to ninety seconds is a common working range. Start at the lower end; the session accumulates fatigue faster than it feels like it will.
Should I run hard on the way down?
No. Jog down easily. Downhill running produces the highest impact forces of anything in training, and using the descent as recovery is what makes hill sessions kinder than flat intervals.