Trail Running calendar near Brighton 2026-2027

The La Stellienne will take place in Stella Plage on Saturday 11 July 2026. You can run between 5 and 10 kilometers.

Enjoy a flexible timed running event along the flat River Thames towpath. Choose your distance from 5km to an ultra marathon and earn a bespoke spinning medal on this fast riverside course.

A guided 10 km trail run in the Chiltern Hills with run leaders who provide trail running tips and local history stops. Based at Church Farm Cafe in Aldbury, the event offers on-site parking, bag storage and a cani cross dog option.

A muddy 5k obstacle event at Beckenham Place Park with climbing, crawling and sliding on a grassy, undulating course. Waves start every 15 minutes; participants must be 13 or older and fundraising supports Cancer Research UK.

Running Wild 2026 is a muddy 5K obstacle course through Wild Forest near Brentwood on 11 July 2026. Open to ages 13 and over, it includes water features, climbing and a large slide into a lake, with a medal and post race shower.

A 7-mile multi-terrain race through Knole Park with a chip-timed 3.5 km junior run for ages 9 to 15. Profits support The Running Charity and the event includes medals, free photos and prizes for top finishers.

A sold-out cross country 10k across the Ridgeway and Chiltern Hills with steep climbs and twisting single-track descents. Open to runners aged 16 and over and run under TRA and UK Athletics rules.

The Dinton 10km Summer Series will take place in Hurst on Thursday 16 July 2026. You can run between 5 and 10 kilometers.

A weekend trail running festival at Mill Farm, Lurgashall, featuring 50 km, marathon, 16 mi, 12 km and a 2 km LittleFeet run, with camping, glamping, on-site village activities and stocked aid stations including PH1000 electrolyte.

An evening trail event at Wendover Woods on 18 July 2026 with 10K, 5K and a 1.5K accessible loop supporting the Chilterns Neuro Centre. Fully marked trails, chip timing and an aid station on the 10K.

A weekend running festival at Blackland Farm on 18–19 July 2026 offering 1-mile lap formats: 24-hour and 12-hour solos, team relays, plus P24 and P12 paced challenges. Off-road course, camping included and limited Bell Tent upgrades.

MacTuffX Brighton at Withdean Stadium on 18 July 2026 combines ten prescribed Xercises with interval running. Multiple entry formats are available including Solo, Doubles and Relay, with Classic and Double distances and an optional LITE wei..

Pretty Muddy 5k at Tilgate Park in Crawley is an obstacle course around Tilgate Lake with climbs, crawls and slides. The event raises funds for Cancer Research UK and offers on-site toilets, refreshments and parking.

A muddy 5k obstacle course at Stoke Park in Guildford on 18 July 2026 with staggered wave starts. Entry fees and a minimum fundraising target apply; participants must be 13 or older.

A group trail run from Dorking Station through Denbies Wine Estate and the North Downs, followed by stone baked pizza and a guided Denbies wine tasting. Options include an 8 km loop or a 5 km walk.

Trail event at The Compasses, Littley Green covering about a half marathon through the Essex Way and the Chelmer Valley. Self-navigated with a written route, staggered starts and finishes, with profits to Crohn's & Colitis UK.

A chip timed 10 km race around Highfield Park and the Alban Way in St Albans on 19 July 2026. The event village features a free family fun run, kids zone, live music and a charity partnership with Alzheimer’s Research UK.

A trail event at Pippingford Park Manor offering 10 mile and 5 mile options on hard packed forest trails with about 1568 ft of climbing. The route includes notable climbs and descents, bespoke medals for finishers and free parking.

A trail half marathon and 10k on Wimbledon Common on 19 July 2026, with marked miles, marshals and a 3.5 hour cut off. RunThrough provides an event village, finish-line goodies and an optional event t-shirt.

A six hour trail running challenge on a just over 5K 3.3 mile loop mostly off road through fields and vineyards with views of the River Crouch. Chip timed and fully marked, with one checkpoint per loop and a finisher medal.