Hill Training for Runners: A Practical Guide to Getting Stronger

Most runners avoid hills. They pick flat routes, plan their long runs around them, and treat any incline as something to survive rather than seek out. That makes sense on a hard day. But if you want to get meaningfully stronger and faster, hills are one of the most efficient tools you have.

This is a practical guide to adding hill training to your running plan. Whether you are training for your first 10K or building toward a marathon, hills reward the effort.

Why Hill Running Works

Running uphill forces your body to work harder for the same forward movement. That extra demand builds leg strength, improves your running economy (how efficiently you move at a given pace), and gets your cardiovascular system working at a higher intensity without the pounding of flat sprints. Running downhill teaches your legs to absorb load and builds eccentric strength in your quads, the kind that helps you hold form in the final kilometres of a race.

Studies show that runners who integrate structured hill sessions into their training see measurable improvements in 5K times and running economy within six to eight weeks. The reason is straightforward: your glutes, hamstrings, hip flexors and calves all engage more on an incline. It is closer to a resistance workout than most road runners realise.

There is also an injury angle. Runners who avoid hills often have underdeveloped posterior chain muscles, which is a major contributor to common overuse injuries. If you have dealt with shin splints or knee pain, hill work can actually help by building the supporting strength your joints need.

The Three Types of Hill Workouts

Not all hill work is the same. Here are the three formats you need to know.

Hill strides

These are short, relaxed efforts of around 20 to 30 seconds on a gentle grade. You run at a comfortably fast effort, not a sprint, focusing on form: tall posture, high knees, short quick steps, arms driving back. These are low-stress and a great starting point if you have not done any structured hill work before. Add them to the end of an easy run once or twice a week.

Hill repeats

This is the classic hill workout. Find a hill with a consistent grade (4 to 8 per cent is ideal) and run hard up it for 60 to 90 seconds, then jog or walk back down as your recovery. Repeat six to ten times depending on fitness. The effort up should feel similar to tempo pace, controlled and uncomfortable but sustainable. Do not sprint. You want repeatable effort across all your reps.

Hilly long runs

Simply building hills into your long run route. This is less structured but highly effective for building general strength and race readiness. If you are training for the Sydney Marathon or any hilly event, this is non-negotiable.

How to Add Hill Training to Your Week

If you are new to hill work, start with one session per week. Here is a simple progression:

Weeks 1 to 2: Hill strides only. Four to six strides of 20 seconds on a gentle hill at the end of your Tuesday or Thursday easy run. Get your legs used to the movement before you add intensity.

Weeks 3 to 6: Replace one easy run with a dedicated hill repeat session. Start with six repeats at 60 seconds and build toward ten repeats over the four weeks. Keep your easy runs genuinely easy on the other days. Hill work is hard enough on your legs that recovery matters more than usual.

Weeks 7 onwards: Add occasional hilly long runs. Keep one flat long run per fortnight to stay comfortable at sustained pace, but use the other long run to include hills where your route allows.

A good rule: never schedule hill repeats the day before or after your long run. Your legs need space to recover from the high-demand work.

Hill Running Technique

Running uphill badly wastes energy and increases injury risk. A few technique cues that make a real difference:

Shorten your stride. Long strides on a hill fight the gradient. Shorter, quicker steps keep you efficient and reduce the load on your calves.

Drive your arms. Your arm swing powers your leg turnover. Keep elbows at 90 degrees and drive them back, not across your body. This is also where breathing technique matters, because arm movement directly affects your ability to breathe efficiently.

Lean from the ankles. A slight forward lean into the hill is correct, but that lean should come from your ankles, not your waist. Bending at the waist collapses your posture and limits your power output.

Look about five metres ahead. Staring at the ground drops your chin, tightens your neck, and shortens your breathing. Keep your gaze ahead and your head neutral.

On downhills, slow down more than feels necessary until you have the strength and confidence to open up. Let gravity do some of the work, but stay in control. Quad soreness after downhill running is normal and a sign those muscles are being loaded in a new way.

Hill Training and Strength Work

Hill training is not a replacement for dedicated strength training. The two complement each other. Single-leg exercises like Bulgarian split squats and step-ups build the same muscles you use on hills, and doing both will accelerate your development faster than either alone. If time is limited, two hill sessions per week with basic bodyweight strength work is a very effective combination.

Gear for Hill Running

Hills do not require specialised gear, but a few things genuinely help.

Shoes with grip. If you are running on grass or trail surfaces, a road shoe can slip on wet inclines. A trail shoe or at minimum a shoe with some texture underfoot gives you more confidence and safety going uphill and especially downhill.

Running sunglasses. Early morning and evening hill sessions mean you are often running toward the sun. On a climb, you are also looking up more than you would on flat ground, which puts the sun directly in your line of sight. A pair of running-specific sunglasses that stay in place and do not bounce is worth it. For sessions where light conditions change (early morning to brighter mid-run, or sessions that go in and out of tree cover), the Adaptor lens from Re. is designed specifically for this. It is photochromic, meaning it adjusts as the light changes so you are not squinting on the bright open sections or struggling to see on the shaded descents.

A GPS watch or heart rate monitor. Optional but useful for hill repeats. Tracking your heart rate helps you calibrate effort across reps and makes it easy to see whether you are recovering adequately between repeats.

Good socks. This sounds basic, but blisters from trail surfaces or repeated uphill toe pressure are genuinely annoying. Merino or technical running socks reduce friction in the toe box on extended climbs.

What to Expect

The first two to three weeks of hill work feel harder than they should. Your legs will be sore in new places (particularly your glutes and calves) and your lungs will work harder than they do on flat runs at the same pace. That is normal. Push through that initial phase and the adaptation kicks in relatively quickly.

By week four, most runners report that their flat running feels easier. Effort that previously felt hard starts to feel manageable. That shift is the result of improved running economy and leg strength transferring back to your regular training.

Hill training also builds mental toughness. Running hard up a steep incline when your legs are burning is uncomfortable in a specific, useful way. Races have hard patches. Hills teach you to push through them. If you have been building your speed work on flat surfaces, add one hill session per week for a month and notice the difference.

Where to Start

Pick a hill near your regular route. It does not need to be long or steep. A gentle 200-metre incline is enough for hill strides and short repeats. If you are not sure what running kit sets you up best for harder training sessions, the first running kit guide covers the essentials without overcomplicating it.

Start this week. One hill session. Six short repeats. Walk back down between each one. That is enough to begin building the strength that will make every other run feel better.

If you want help choosing sunglasses for outdoor training, the Re. lens guide walks through which lens works for which conditions, including morning runs, trail sessions, and variable-light workouts. Or use Find Your Pair to get a recommendation in under two minutes.