Trail Running calendar near West Sussex 2026-2027

MacTuffX Brighton at Withdean Stadium on 18 July 2026 combines ten Xercises with repeated runs in Classic and double distance formats. Entries are offered for solo, doubles, and five person relays with an 18 plus age requirement.

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 one-lap fun trail run at Myncen Farm near Blandford Forum, set across fields and tracks. Open to ages 4+, children under 10 must be accompanied; places are limited and a weekend camping option is available.

A one-lap trail run at Myncen Farm on 19 July 2026, held on farm tracks and fields with a camping option over the weekend. Open from age 4 with a 100-entrant limit and a ten pound entry fee.

A trail 10K.ish at Myncen Farm on 19 July 2026, run as two laps with a 2.5 hour cut off and camping available over the weekend. Entry is limited to 136 runners, minimum age 16, with different fees for affiliated and unattached entrants.

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 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 five mile cross-country race at Queen Elizabeth Country Park on Sunday 19 July 2026, held for PJC's 50th anniversary. The event uses chip timing, on-site race number collection, online entry and a transfer code process.

A 10 km mixed trail and road race in Valley Park and Knightwood woodlands, split into five timed stages with recovery between stages. The event features live chip timing, prizes, a kids fun run in 2026 and funds donated to the Woodland Trus..

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 challenge along the River Thames with lap based distances and official medals from 3 km. The event offers goody bags including a vegan option plus distance pins for half marathon and longer.

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.

A timed, lap format run along The Itchen Way in Winchester with a professionally measured, permitted course. Runners may complete multiple 2.62 mile laps up to ultra distance and receive a bespoke finisher's medal and aid station provisions..

Trail races of 12K, 25K and 50K start from Queen Elizabeth Country Park and follow sections of the South Downs Way with grassy tracks and chalk downland. Routes are waymarked and supported by marshals, aid stations and chip timing.

Bright Skies Surrey Hills is a daytime trail event at Denbies Wine Estate with marathon, half marathon, 10K and children's races. The marathon features a self navigation first half with checkpoints and a fully marked second half.