Trail Running calendar near Brighton 2026-2027

A one-day event in the Chiltern Hills offering 10 km, 25 km and 50 km routes with marked trails, checkpoints and full medical support, raising funds for Humanity Direct's medical work for children.

Sussex Coastal Trail Run in Eastbourne on 7 March 2026 follows coastal paths by the Seven Sisters and the English Channel, offering 10K, half, marathon and ultra distances on chalk and forest terrain with marked routes.

Explore the scenic New Forest on 7 March 2026 with the New Forest Trail Run South at Hinton Admiral Estate. Choose 10.1 km, 15 km or 21.6 km routes with options for trail run, canicross or hike for all abilities.

Brutal at Chawton on Saturday 7 March takes you through Brick Kiln Farm and Chawton Forest, with mud, water, steep hills and technical trails for a true off road test. Canicross waves welcome dogs for a wild, fun run together.

Run scenic laps along the Thames towpath in Walton on Thames at the Ladybird Run, on flat off road trails with timed entries or a one hour rock up and run start window. Pick 5 km to ultra distances and complete as many laps as you like with..

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

A 13.1 mile out and back trail from Dorking to Leith Hill Tower with about 1,800 feet of ascent, four water stations and marshals on course. Entry includes a reusable medal, race number, beer and a cooked breakfast, with profits donated loc..

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.

Riverside races from Small Profit Dock Gardens in Barnes along the Thames Path to Petersham. Offers 10km, half marathon and marathon out and back courses with marked routes, stocked checkpoints and KLP medical support.

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 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 newly routed courses through the North Downs and the Greensand Ridge on 15 March 2026. Indoor checkpoints provide food and drink, there is an entry limit with a waiting list, and participants must carry route maps and basic navigation..

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.

A multi-distance trail event at Hyde Hall Farm with 10k to ultra options, lap-based heavy half and ultra formats, on-site parking, aid station at the lap point, baggage area and a bespoke or lucky dip finisher medal.