Trail Running calendar near London Borough of Richmond upon Thames 2026-2027

The Berko 10km will take place in Berkhamsted on Saturday 7 March 2026. You can run 10 kilometers.

Leith Hill Half Marathon is a challenging 13.1 miles trail race across Surrey with about 1,800 feet of ascent and a summit finish at Leith Hill Tower. Enjoy scenic singletrack, a reusable medal, local beer and a full cooked breakfast.

Two country routes from Wellingborough of 26.6 miles and 15.5 miles with checkpoints, snacks and a light meal at the finish. Route descriptions and GPX files are provided in advance.

Take on Wight Riot at Hordle Cliff West for mixed terrain running along the coastal path with stunning views of the Isle of Wight and Sturt Pond. Choose distances from 5K to ultra and earn a medal for completing one lap or more.

Join Thames Meander Spring on 8 March 2026 for a flat, scenic riverside run from Barnes with 10 km, half and full marathon options. The route is marked and marshalled with stocked checkpoints and medical cover for a smooth race day.

A set of trail events across the South Downs near Steyning, featuring marathon, 30k and half marathon distances with UTMB Index registration, GPX routes and on-course drinks stations. Entry includes a medal, breakfast and photo download.

A guided 16k trail run at High Lodge in Thetford Forest led at a conversational pace, including forest facts and practical trail running tips. Terrain is mostly flat with some small hills; parking is charged at £4 and entry is £17.50.

A women-only trail run at Culden Faw Estate, Henley on Thames on 8 March 2026 celebrating International Women’s Day. Routes of 3 km, 6 km and 13 km across woodland and rolling parkland with chip timing, medals and refreshments.

Join a scenic 10 km from Heathside Sports Ground along the River Darent through fields and village lanes around South Darenth and Horton Kirby. Friendly marshalled route with a medal and refreshments for finishers.

A self navigation trail event at The Smugglers Den in Hullbridge on 8 March 2026 offering approx 10 and 6.3 mile routes. Entries include a £4 bar voucher and the race is held under UK Athletics rules; dogs are not permitted.

A 50 km trail ultra in the Chilterns on 14 March 2026, run as two 25 km loops from Stonor Park with 4,000 ft of climb, five aid stations, a 9 hour cut off and full course support.

A trail running event at Matterley Basin, Winchester on 14 March 2026 offering three routes from 5 km to 24 km across South Downs trails, with outposts, free parking and a reusable cup policy.

A self navigation trail at The Museum of Power offering 6.3 or 3.4 miles on mainly off road footpaths and tracks. There are no markings or marshalls and each entrant receives a narrative and a cafe voucher.

Three new waymarked routes around the North Downs and Greensand Ridge near Sevenoaks on 15 March 2026 with indoor checkpoints and food at the finish. The event has a 225 place limit and is currently operating a waiting list.

Take on Phoenix Running's Octopus Run on 15 March 2026 at Walton on Thames for a scenic towpath challenge along the River Thames, with distances from 5 km to ultra and flexible start times. Finish your effort and collect a bespoke finishers..

Join Gratitude 25KM 2026 in Broxbourne for a rewarding 25 km run on 21 March 2026. Ticketed entry and a welcoming atmosphere make it ideal for runners looking for a spring challenge.

Take on fields and trails at Hyde Hall Farm on 21 March 2026 with options from 10k to ultra marathon, lap based routes for all abilities. Friendly farm atmosphere, water station and bespoke medals make this a memorable spring challenge.

Winter's End is a point to point 50 mile trail ultramarathon on the South Downs Way from Arundel to Winchester, 21 March 2026. Enjoy chalk ridges, ancient woodlands and Old Winchester Hill, with marked course, aid stations and marathon opti..

Guided 13 mile trail run from St Martha's Hill through the Surrey Hills and parts of the North Downs Way, including Shere and Newlands Corner. Not a race, this social group run is paced at around 10 min per mile and may finish with an alcoh..

Discover scenic trails at Stansted House on Saturday 21 March 2026, with options from 9.4 km hikes to 21 km trail runs suitable for all abilities. Finishers receive a metal medal, a finisher's gift and a drink, with timing by UK Running Eve..