Trail Running calendar near Brighton and Hove 2026-2027

A muddy 5K obstacle event in Brentwood on 11 July 2026 featuring climbs, water crossings and a 20 foot slide into a lake. Open to ages 13 and over, with a £40 registration fee and a £100 fundraising pledge.

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 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 supporting the Chilterns Neuro Centre, with 10K, 5K and a 1.5K accessible loop. Routes are fully marked and marshalled and the event is licensed by the Trail Running Association.

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 is a functional fitness race with Solo, Doubles and Relay formats. Competitors complete ten Xercises plus repeated runs over 400m or 800m, with standard and LITE weight divisions.

A 5 km muddy obstacle course around Tilgate Lake at Tilgate Park, Crawley, featuring climbs, crawls and slides in a woodland setting. Open to participants aged 13 and over, with staggered wave starts and on-site facilities.

A muddy 5k obstacle course at Stoke Park, Guildford on 18 July 2026 that raises funds for Cancer Research UK. Waves run every 15 minutes, minimum age 13, with on-site toilets, refreshments and limited parking.

A social trail event from Dorking Station through the North Downs and Denbies vineyard, finishing at Denbies Wine Estate with stone baked pizza and a guided wine tasting.

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.

Set your own distance goal in this 6-hour trail running challenge. Runners complete as many 5K loops as they can on a scenic, 95% off-road course. Every finisher receives a medal.

A hilly multi loop trail event around Holmbury Hill offering a half marathon and a same day 10 mile option, with six drink stations, first aid support, free parking, and a commemorative medal for finishers.

A chip timed five mile cross country race through Queen Elizabeth Country Park on Sunday 19th July 2026. The event marks the club's 50th anniversary and features on site race headquarters and refreshments.

Tour of the Woods on 19 July at Knightwood Leisure Centre is a 10 km mixed terrain run split into five stages, with chip timing, prizes and a kids Twiglet Tour. Portions of proceeds support the Woodland Trust.

A muddy 5k obstacle course at Hylands Park organised by Cancer Research UK, with staggered start waves, on-grass terrain and on-course marshals. Participants must be 13 or older and the event lists basic accessibility measures and facilitie..

A 5.8 mile self navigation trail race near Littley Green on 22 July 2026, using a written route issued on the day with no course markings or GPX. Race HQ is at The Compasses pub with parking and a £4 drinks voucher included.

Enjoy a 10k trail run through Chelmsford featuring a unique brewery checkpoint. This non competitive event includes mid race and finishers drinks along with a commemorative medal for all participants.

A 7 hour timed riverside challenge near Egham with flexible start options, themed medals from 3 km and goody bags for finishers. The signed course is mainly on paths and tarmac with aid stations each lap.

A Friday running event on a flat 5.3 km out-and-back riverside lap near Walton on Thames offering distances from 5 km to ultra and finishers' medals including spinning Rubber Ducky designs.