OUTRN

Trail Running for Beginners: A Guide for Road Runners

Training | Published 2026-10-03 | By OUTRN Team

The OUTRN team explains how trail differs from road for runners who already cover 10km, what the research says, and where it runs out...

Road runners moving to trail meet three surprises: the kilometres get slower, the downhills hurt, and nobody is going to rescue you in a hurry. All three are manageable. None is the road run you already know...

The short answer: run trail by effort rather than pace, build your climbing and descending gradually, and carry the safety gear that National Parks and Wildlife Service NSW (NPWS) recommends. The research behind trail running is thinner than you might expect, so this guide says where we're relying on evidence and where we're relying on coaching convention. It is written for someone who already runs 10km comfortably on the road and wants to move to trails.

How is trail running different from road running?

Trail running costs more energy per kilometre on climbs and loads your legs differently on descents. A review of graded running (Vernillo and colleagues, Sports Medicine, 2017) found uphill running means a higher step frequency and more muscle work than level or downhill running, while downhill running is dominated by energy absorption. The energy cost of running rises in a straight line with uphill slope, and falls on downhills until about a 20 percent downhill grade, then rises again.

In a treadmill study of 10 runners (Minetti and colleagues, Journal of Applied Physiology, 2002), the cost of running was 3.40 joules per kilogram per metre on the level and 18.93 at a 45 percent uphill gradient. The study was small and used gradients steeper than most trails, but it shows why your road pace does not translate to a hill.

How fast should you run on trail?

By effort, not pace. We found no verified pacing rule, such as adding a set number of minutes per kilometre for every 100m of climbing, so we are not going to invent one. The research supports the principle (cost rises with grade), and the practical inference is that easy effort on a climb will be much slower than easy effort on the flat. Walk the steep sections if your breathing says to.

Do trail shoes matter?

Probably less than the shoe shops suggest. A 2026 scoping review of footwear in trail running and hiking (Jackson and colleagues, Journal of Foot and Ankle Research) covered 16 studies and found the evidence is mostly small biomechanical studies, with a significant gap on long-term effects. An earlier experiment on well-trained runners over an 18.4km trail run (Vercruyssen and colleagues, Medicine and Science in Sports and Exercise, 2016; the abstract does not give the sample size) compared minimalist and traditional shoes: after the run there was no difference in running economy, and calf pain rose more in the minimalist shoes.

We found no study showing trail shoes beat road shoes for injury prevention. Shoes with grip and toe protection make practical sense on rough, wet ground, but that is practitioner logic, not evidence.

How do you run downhill?

Gradually, and with legs that have been prepared for it. In a study of 23 trail runners on a 6.5km descent with 1,264m of negative elevation, run as fast as possible (Giandolini and colleagues, Journal of Biomechanics, 2016), forefoot striking reduced shock in some directions while rearfoot striking reduced it in others. It measured shock, not injuries, so it cannot tell you to change your foot strike.

We found no peer-reviewed study proving that a particular downhill cue (a lean, short quick steps) reduces injury. Coaches teach these cues, and they may well help, but treat them as opinion.

A 2026 systematic review (García-Valiente and colleagues, Muscles; 15 studies, 247 participants) found marked increases in muscle damage markers after trail races, worst in events with the most eccentric loading. These were race settings rather than beginner training runs, but they help explain why your legs can hurt after a big descent.

What injuries should you expect?

Mostly foot problems and skin. A systematic review of 16 studies and 8,644 trail runners (Viljoen and colleagues, Sports Medicine, 2021) found the foot was the most common injury site, then the knee, lower leg, thigh and ankle. The most common diagnoses were skin abrasions and lacerations, blisters, muscle strains, cramping and ligament sprains. Injury rates varied from 1.6 to 4,285 per 1,000 hours, mostly from single-day races, so use the ranking rather than the numbers.

A living systematic review (Viljoen and colleagues, British Journal of Sports Medicine, 2022; 19 studies, 10 of them on risk factors in 2,785 runners) found injury was associated with neglecting warm-ups and having no specialised running plan. These are associations, not causes.

Ankle sprains are the injury everyone worries about. A 2024 systematic review and meta-analysis (32 studies, 19 pooled) (Hansoulle and colleagues, Physical Therapy in Sport) put the pooled proportion of ankle sprains in runners at 13.69 percent overall, and 19.40 percent in recreational runners. The included studies disagreed widely with each other, and the abstract gives no trail-specific figure, so we are not quoting one.

Do you need poles?

For most day runs, no. In one study of 14 mountain runners walking on a treadmill at slopes from about 10 to 39 degrees (Giovanelli and colleagues, European Journal of Applied Physiology, 2019), poles cut energy cost by about 2 to 2.8 percent, and only at three of the steeper slopes (about 25 to 36 degrees), though the effort felt easier at most slopes. In another of 15 male trail runners (Giovanelli and colleagues, European Journal of Applied Physiology, 2023), poles lowered the force through the foot by 2.4 to 5.2 percent and made an all-out uphill effort 2.5 percent faster, but made no difference to energy cost. Both were uphill walking, not running. Our view, which is an inference rather than a finding: poles are an ultra and mountain tool, not a beginner necessity.

What safety rules apply in NSW?

NPWS bushwalking safety advice is the official baseline:

NPWS warns that mobile reception is limited on tracks such as the Grand Canyon and the Lane Cove Great North Walk. It says to call 000, and the Emergency Plus app can give emergency services your location. Fire bans apply across Blue Mountains National Park from 1 October 2026 to 31 March 2027.

NSW Health's snakebite advice: for a suspected bite, keep the person still, call an ambulance and apply a pressure immobilisation bandage. Do not use a tourniquet and do not wash, cut or suck the bite.

Mind other people too. Some of our best-known tracks are shared: bike riders are asked to give way to walkers on Lady Carrington Drive in Royal National Park, and the Manly Dam park circuit is shared with mountain bike riders.

What do you need to carry?

NPWS's list is a walking list, not a trail-running vest list. For a runner's version, look at a race's mandatory gear list. The Ultra-Trail Australia UTA50 list is a sensible reference. It includes a thermal top, waterproof jacket, charged phone with a working SIM, whistle, space blanket, compression bandage, 2 litres of water capacity, food and a headlamp. You will not need all of it for a short local loop, but the list shows what the organisers of a long race treat as essential.

Where does the evidence run out?

In most of the places beginners ask about:

What does the shift look like in practice? Kara Goucher, a two-time Olympian with a 2:25:53 marathon, made her trail debut at the Leadville Trail Marathon in June 2019 and told Women's Running what her coaches had said beforehand. "Literally the only thing they said to me was: 'Go out slow, and then when you think you're going slow, go slower,'" she said. "And I did the exact opposite." She had planned to start at about 6:30 per kilometre and ran the opening stretch at about 4:50 per kilometre. By around 24km she was vomiting and walking, and she finished fifth woman in 3:54:06. One athlete's race at altitude is an anecdote, not evidence, but it is the pace-versus-effort problem in a single morning.

How should you start?

Start with a trail run shorter than your normal road long run, at an easy effort, with walking allowed. That is our judgement rather than a finding, and you will find coaches who start people differently. Build the climbing and descending gradually, because the review found muscle damage was greatest in events with the most eccentric (downhill-type) loading.

If your longest run is under 10km, spend time on road or smooth paths first. OUTRN's bar for its trips is a comfortable 10km, and the same bar makes sense here.

Inspired? Run the Blue Mountains with a crew

If you want a first long trail day with leaders, no navigation to worry about and the right ground under your feet, we are building a four-day trip in the Blue Mountains: one house near Katoomba and Wentworth Falls, a different run each day, a lead and sweep on every run. Dates are to be confirmed and the price is an estimate of about $1,650 per person. Booking is not open yet, so register your interest and we will contact you first.

Register interest in Run the Blue Mountains

Further reading

Sources

Every study below was checked against its published abstract on 4 October 2026.

Register interest in Run the Blue Mountains

Frequently asked questions

Is trail running harder than road running?

Per kilometre it usually costs more energy. In a treadmill study of 10 runners, the cost of running was 3.40 joules per kilogram per metre on the level and 18.93 at a 45 percent uphill gradient, and a review found the cost rises in a straight line with uphill slope. That is why trail pace is a poor guide: use effort instead.

Do I need trail running shoes?

We found no study showing that trail shoes prevent injuries better than road shoes. A 2026 scoping review of 16 studies found the evidence is mostly small biomechanical studies and called the gap on long-term effects significant. Shoes with more grip and protection are a sensible practitioner choice for rough terrain, but that is opinion rather than evidence.

How should I run downhill on trail?

No study we found proves a particular downhill technique prevents injury. One 2016 study of 23 trail runners found forefoot striking reduced some measures of impact shock on a 6.5km descent, but it measured shock, not injuries. Treat technique cues as coaching opinion and build your descending gradually.

What should I carry on a trail run in NSW?

National Parks and Wildlife Service NSW recommends at least 2 litres of water per person, a map and compass, a torch, a first aid kit, a hat, sunscreen and suitable clothing, the Emergency Plus app, and a trip intention form telling someone where you are going. Mobile reception is limited on some tracks, and you should call 000 in an emergency.