Greater London
Trail Running Calendar near Greater London 2026-2027
Explore the top trail runs near Greater London for 2026-2027! We've gathered 223 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
February 2027
Lap based timed event on 21 February 2027 in Walton on Thames with distances from 5 km to ultra, a seven hour limit, and a flat riverside course.
Group guided 10 km trail run across the boardwalk and heathland of Thursley National Nature Reserve with evening and night options, car parking and a post-run alcohol-free beer.
Saturn Running's Midweek Chasing Numbers in Staines is a seven hour time challenge along the River Thames with flexible lap distances and finisher medals.
Seven hour Time Challenge along the River Thames with distances from 3 km to 50 km, themed medals, aid stations and parking in Staines.
A 42-mile trail race from Chipping Ongar to the ancient Chapel of St Peter-on-the-Wall, following an old pilgrimage route through rural Essex. Mostly off-road and often muddy, the route is waymarked with GPX support, four outdoor checkpoints and mand..
A single lap undulating 10k trail race at Hadleigh Country Park with steep hills, deep mud, technical terrain and mandatory trail shoes.
March 2027
Guided 10 km trail run around Silent Pool near Guildford, following parts of the North Downs Way and Netley Heath forest. Sessions run at dusk or at night with headtorches in a led group and a recommended pace of about 10 min per mile.
A Friday timed run at Xcel SPORTS HUB Stadium with flexible rock up and run starts, lap distances along the Thames and a charity medal for the Run for a Tenner entry.
Choose your own distance in this seven hour time challenge along the River Thames featuring a flat course and emu themed medals for all finishers.
A 5 km obstacle mud run on 6 March 2027 at Henfold Lakes near Dorking offering one, two or unlimited laps and entries for teams, charities and solo runners.
A timed multi lap event on 26 September 2026 in Walton on Thames combining a flat 5.3 km out and back riverside course with a cake themed aid station, multiple distance options and a seven hour time limit.
Riverside out and back races from Small Profit Dock Gardens along the Thames Path offering 10 km, half marathon and marathon courses with stocked checkpoints and medical support.
A largely flat 10 km multi-terrain run from Windsor & Eton Brewery with chip timing, a medal, a pint cup and a free drink at the finish.
A seven hour Time Challenge along the River Thames in Staines offering multiple distances, themed finisher medals, aid stations and goody bag options.
A quirky running event in Dorking where pairs carry an adult over a 380 m out and back course with obstacles, a weigh in, helmet requirement and novelty prizes.
A hilly 13.1 miles out-and-back trail from Dorking to Leith Hill Tower with about 1,800 feet of ascent, water stations and marshals. Race HQ is The Priory School and entry includes a postrace cooked breakfast and a reusable medal.
Looped, timed runs at Ranscombe Farm Nature Reserve on 14 March 2027 offering distances from 5 km to ultra with medal and a no medal entry option.