Trail Running Calendar South East (England) 2026-2027

Looped races at Chalfont Park Sports Club and Chalfont St Peter Community Centre let runners choose distances from single 7K or 10K laps up to ultramarathons, with drop bag access, aid stations, crew support and on-site medical cover.

Trail ultra on the North Downs Way and Norbury Park near Dorking, a fairly level 50k with 2986 ft ascent and four staffed checkpoints.

BigMud Trails (EARTH) offers three single lap trail races in the Meon Valley from Queen Elizabeth Country Park. Courses include climbs to Butser Hill, stocked aid stations, mandatory fluid carry and an option to plant a tree instead of a me..

Looped races at Chalfont Park Sports Club and Chalfont St Peter Community Centre let runners choose distances from single 7K or 10K laps up to ultramarathons, with drop bag access, aid stations, crew support and on-site medical cover.

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.

Running event at Newlands Corner offering 15 km and 10 km options, organised by G3 Series on 27 February 2027.

A 30 mile non-competitive group trail run from Harting Down along parts of the South Downs Way, passing Beacon Hill, Cocking Down and Kingley Vale. Led by an experienced guide and recommended for those who have run at least 22 miles in trai..

Coastal trail runs around Chidham Peninsula with views across Chichester Harbour, offering 21.3k and 16.1k routes plus chip timing and on-course refreshments.

Looped races at Chalfont Park Sports Club and Chalfont St Peter Community Centre let runners choose distances from single 7K or 10K laps up to ultramarathons, with drop bag access, aid stations, crew support and on-site medical cover.

A 10 km mixed-terrain run from Windsor & Eton Brewery along towpaths and parkland, with staggered starts, a pint cup and free drink at the finish, chip timing and downloadable race photos.

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.

Coastal trail event in Eastbourne on 6 March 2027 offering 10K, half, marathon and ultra routes across chalk cliffs and rolling downland.

A coastal mixed terrain event at Milford on Sea with an out and back 5.3 km lap. Runners pick their distance from 5K to ultra with aid stations, toilets, and a medal for anyone completing at least one lap.

A 24 hour endurance format at Alice Holt Forest where runners repeat a 6.7 km loop each hour, finishing laps within 60 minutes. Wooden medals are given to finishers and a wooden trophy is awarded to the overall champion.

Women only trail runs at Culden Faw Estate, Henley on Thames, on 14 March 2027 with 3 km, 6.5 km and 13 km options, chip timing and finisher medals.

A quirky partner carrying race on a 380 m out and back course up The Nower in Dorking, with weigh in rules, helmets required and proceeds donated to a local food charity.

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.

A Kent LDWA challenge with three new West Kent routes, indoor checkpoints, limited entry and a 30 mile option with 4200 ft ascent and an 11 hour limit.

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.