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Trail running

8 articles

Trail running, orienteering and adventure racing: getting started, improving and preparing for races.

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Torso of a trail runner in a black running vest with two soft flasks in the chest pockets, a blurred mountain ridge at sunrise behind

Trail runningChecklist

Trail pack size: the right litres and packing

Seven guides from brands, retailers and coaches broadly agree: 2 to 5 litres for up to two hours of running, 5 to 8 for up to about ten hours, 10 to 15 for ultras. Those ranges hide what really matters: the mandatory kit, the distance between aid stations and the loaded weight decide, and packing is what separates a vest you forget about from one that slops around.

Portrait of Nolwenn BastideNolwenn Bastide··9 min

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A runner's wrist with a black sports watch, its screen dark, held out over a ridge path and a flowery grass slopeTrail running

Heart rate: three ways to set your zones

Maximum, Karvonen reserve or threshold: three ways to calculate your heart rate zones for trail running, with a worked example and the limits of each.

Portrait of Julien de JurquetJulien de Jurquet··11 min

Woodland path at night seen at eye level: roots and wet leaves in a head torch beam, a distant light in the mistTrail running

Night trail racing: 15 km by head torch

A 15 km trail race run entirely at night: a head torch that would not stay put, a beam aimed too low, misjudged roots, and the fixes to make before the start.

Portrait of Damien Poirier-BoucardDamien Poirier-Boucard··11 min

A volunteer's hands turning a waterproof jacket inside out to look at its seams, next to a head torch and a survival blanket on a tableTrail running

Trail running mandatory kit, race by race

Waterproof jacket and hydrostatic head, head torch, survival blanket, water, cup: what eight European trail races demand, and why they check it.

Portrait of Nolwenn BastideNolwenn Bastide··16 min

Runner in side profile, some way off, leaving the end of a narrow tarmac lane for a dirt track between fields and the edge of an oak woodTrail running

Trail running for beginners: the full guide

Terrain, climbs, descents, the kit race rules actually ask for, how to build up according to research, common mistakes and your first race number.

Portrait of Nolwenn BastideNolwenn Bastide··15 min

Muddy trail running shoe seen at ground level, mid-stride on a sodden woodland path between tree roots, under flat grey lightTrail running

How to read a trail shoe spec sheet

Drop, stack height, lugs, membrane, width: what the numbers on a trail shoe measure, what research says about them and what to choose for each kind of terrain.

Portrait of Nolwenn BastideNolwenn Bastide··11 min

A woman trail running on a grassy ridge path in early morning light, seen from behind, with a hydration pack and misty hills belowTrail running

First trail race: your training plan

Training for your first trail race: a four-phase plan, climbs and descents, recovery, the taper, and the FFA health pass for racing in France.

Portrait of Nolwenn BastideNolwenn Bastide··8 min

Ridge path winding up towards a rocky summit under a clear but stormy sky, the long climb plainly visible, with nobody on itTrail running

Comparing two trail races, climbing and all

100 m of ascent counts as 1 km: how to work out a trail race’s km-effort, read its ITRA points, and what the rule misses: descents and technical ground.

Portrait of Nolwenn BastideNolwenn Bastide··8 min