Trail Running calendar near Greater London 2026-2027

We have found 548 Trailruns within 80 miles of Greater London. See below where and when you can find the races.

Trail event at Hyde Hall Farm offering 10k, half, full and ultra distances with lap-based courses, water at the lap point, secure parking and a bespoke finisher medal. The event is cupless so bring a refillable cup or bottle.

TrailX Women Run is an all female trail event at Culden Faw Estate near Henley on Thames celebrating International Women’s Day, offering 3 km, 6.5 km and 13 km chip timed courses with medals, prizes and on site refreshments.

A novelty wife carrying race in Dorking featuring a 380 m out and back up The Nower with obstacles and a Splash Zone. Carried participants must meet a 50 kg minimum and wear helmets while competitors are encouraged to wear fancy dress.

A 13.1 mile out-and-back trail half marathon from Dorking to Leith Hill Tower, featuring 1,800 feet of ascent, four water stations, marshal support and a post-race cooked breakfast; profits support a local food rescue charity.

A circular walking and running event in Sevenoaks with three new routes showing the North Downs and Greensand Way. Distances of 30 miles, 20 miles and 14 miles feature indoor checkpoints and on course catering.

Twelve consecutive days of timed riverside running in Walton on Thames with multiple distance options, collectible daily lantern medals, finishers shirts, and a Double-Down option to run two half marathons each day.

A 50km trail ultramarathon through the Chilterns centered at Stonor Park, run as two 25km loops with 4000 ft of climb, five aid stations and full medical support. The event has a nine hour finish limit and medals for all finishers.

Point to point trail races on the South Downs Way offering a 50 mile ultra, a 50 km ultra and a marathon with marked routes, aid stations, coach transfers and an option to plant a tree instead of taking a medal.

Trail races of 21.4k, 16.1k and 10k through Stansted Park’s woodland and open fields, with chip timing, water stations, first aid support and a metal finisher medal.

Looped 7K and 10K courses in Chalfont St Peter and Gerrards Cross let runners choose distances from a single loop to ultramarathon. Aid stations, marked routes, crew access and medical support are provided, with prizes for top finishers in..

Trail running in the South Downs near Winchester with three distances on fast, hard-packed trails and varied chalk downland scenery.

London Lea Valley Ultra is an ultramarathon event in London on 20 March 2027, organised by Camino Ultra. The event is held in the Lea Valley area (London E15 2HB) and is supported by the organiser's coaching, training plans and race informa..

A PARAS'10 event in Friday Woods featuring a 3 mile loop with one to three laps, categories for runners, TAB entrants and canicross. A 2 mile junior race is available for ages 10 to 15.

A guided trail half marathon around the Surrey Hills, about 13 miles from St Martha's Hill in Guildford, following parts of the North Downs Way and notable viewpoints. The run is social in format with a guided pace and evening options.

A looped trail event at High Lodge Thetford Forest offering distances from 5k to ultra marathon, lap-based formats, on course aid at the lap point, medal options and refreshments at Oak Lodge. Part of entry fees support forest upkeep.

Seven consecutive days of timed running on certified out and back routes along the River Thames in Walton on Thames. Distances from 5 km to ultra are available and finishers earn daily mementos plus a seven day lantern medal set.

A two lap multi terrain 10 km trail race on Easter Monday around Mortimer Fairground and local woodlands, with a canicross option, chip timing, medal and free race photos. The undulating course is not suitable for pushchairs or wheelchairs.

April 2027

A single loop 50 km trail race around Arundel and the South Downs with about 3,200 ft of ascent, four aid stations, live GPS tracking and chip timing on a fully marked course through predominantly trail terrain.

A 40 or 50 mile trail ultra along the Testway from Linkenholt to Totton in Southampton, with aid stations every 10 miles, marshals and medical support. A shuttle option is available for an extra £10 and there is a 14 hour cutoff.

Trail races of 5 km, 13 km and a 21 km half marathon set in Stanmer Park and the South Downs Way, featuring chalk downland, woodland tracks, marked fuel outposts and significant climbs including the ascent to Ditchling Beacon.

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