Ask any fell runner where a race is won or lost and they will usually point uphill. Yet most of us spend far more time worrying about descending than about the way we climb. On steep, technical ground — loose scree, wet rock steps, heather tussocks — the difference between a smooth ascent and a scrappy one is rarely pure fitness. It is rhythm, foot placement and breathing working together, and all three can be trained.

Let the Hill Set Your Rhythm

On gentle ground you can hold a cadence and let the terrain pass beneath you. On a steep climb, the hill dictates the beat, and your job is to stay in time with it. Aim for a shorter, quicker stride than feels natural at first, with each foot landing close to your hips rather than reaching ahead. Reaching out on a climb forces your quads to brake with every step, and that is what leaves them burning long before your lungs have had enough.

Match effort to gradient rather than to pace. On a 20 per cent ramp, a strong power hike with hands pressing on thighs will keep your heart rate steadier than a jerky shuffle that keeps breaking down. Watch the best climbers on a Lake District or Eryri ascent: they switch between running and striding without ceremony, and never seem to force a pace the slope will not allow.

A simple rule: if you can keep talking in short sentences, you are climbing well. If you are reduced to single words, ease off the stride length before you ease off the effort.

Foot Placement on Rough Ground

Technical uphill terrain rewards precision over power. Look two or three steps ahead, not at your feet, so your brain has time to plan a line. On rock steps, aim for the flat, dry surface rather than the edge or the patch of lichen. On scree and loose gravel, land flat-footed and slightly toe-down, and try to place your foot where the stones are already settled rather than on the shifting surface above them.

• Grass and tussocks: land on the crown, not in the hollow between them, and keep your ankles loose so they can adapt.
• Wet rock: shorten your stride dramatically and keep your weight over the ball of the foot; friction comes from pressure, not from speed.
• Heather and bog: expect the ground to give way and keep your knees soft; stiff legs are what cause twists.
• Loose scree: take smaller steps than feels efficient and let your heel rise naturally with each push.

If a step is genuinely too high, step up onto it rather than trying to run through it. It costs a second and saves a great deal of energy.

Breathing, Not Gasping

Steep climbs make us breathe faster automatically, but the pattern still matters. Breathe in through the nose and out through the mouth where you can, and let the exhale be longer than the inhale. A long, steady exhale helps calm the nervous system and keeps your shoulders from creeping up towards your ears.

Try to link your breathing to your stride: two steps per inhale, two or three steps per exhale on a moderate gradient. On the steepest sections, where a stride may take a full second, stop trying to count and simply focus on emptying your lungs completely. Shallow breathing at the top of the chest is what makes a climb feel desperate.

Keep your posture tall even when leaning into the slope. A rounded back and dropped head compress your breathing and make every step harder than it needs to be.

Keep Your Downhill Confidence Intact

It is easy to gain on the ups and lose it all on the way down. Climbs that leave your legs wrecked, or that teach you to land heavily on your heels, will show up later. Keep your cadence relatively high even when the gradient eases, and avoid the temptation to recover by over-striding.

Practise the transition: as the ground levels, let your stride open gradually, let your arms swing wider and lower your centre of gravity slightly. Do not snap from a grinding climb into a fast descent — give your ankles and calves a few hundred metres to remember what running downhill feels like.

It also pays to finish your uphill sessions with a short descent on similar terrain. Your legs learn the whole loop, not just the hard half, and your confidence on rough ground stays where you want it.

Drills Worth Doing

• Hill repeats on rough ground: pick a steep, technical 60–90 metre slope and climb it at a controlled effort, focusing on one cue at a time — short steps, tall posture, long exhales.
• Step-ups and short bounds: build the push-off strength that makes high steps feel routine rather than dramatic.
• Two-step eyes: on a descent, deliberately look two steps ahead instead of at your feet, and notice how much smoother your line becomes.
• Mixed-terrain loops: link a climb, a technical descent and a flat section so you rehearse the whole rhythm of a hill day.

A few focused sessions on steep, awkward ground will do more for your climbing than hours of flat running. Treat the climb as a skill, not just a slog, and the descents will take care of themselves.