Trail Running calendar near Staines-upon-Thames 2026-2027

A self-navigation trail race of about half marathon distance around Littley Green and the Chelmer Valley with staggered starts and finishes, timed results and proceeds to Braintree Youth Project Charity.

Fully marked trail races at Winwick Hall feature 10k and 5k routes plus a 2k children’s fun run. Courses cross grassland and country paths, on-course support and charity donations to the Bruce Green Foundation are part of the event.

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.

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 *5-mile* summer cross country at Queen Elizabeth Country Park on 19 July 2026, held for PJC's 50th Anniversary. Woodland trails, on-site refreshments and online entry with member and non-member fee tiers.

A 10 km mixed-terrain event around Valley Park and Knightwood split into five timed stages, featuring chip timing, marshals, a kids Twiglet Tour, on-course water and food at the finish.

Pretty Muddy 5k at Hylands Park on 19 July 2026 is a grass obstacle course with climbs, crawls and slides. Waves run every 15 minutes; the event has a £50 minimum fundraising target and listed entry prices for adults and children.

A community memorial running event at Hockley Woods, Essex, focused on raising funds for cancer-related charities; organisers report £60,000 raised over 12 years and indicated 2025 would be the final running.

Round 4 of a five-event Phoenix Striders Summer Series at Langdon Discovery Nature Park. A 5k trail race run over two laps with entries on the day at the same price as online, minimum age 12 and fees vary by affiliation.

A 5.8 mile self navigation trail race around Littley Green with a written route issued on the day, no course markings and no water on course. Race HQ is the pub garden at The Compasses and parking is available behind the venue.

Day 1 of a 10-day series at Suffolk Running Centre offering distances from 5k to ultra on the Denham Flats route. Parking, a base camp with an aid station and a bespoke daily medal are included; the event is cupless.

A summer 10 km trail run from the Voodoo Keller in Chelmsford with a GPX and Strava route and a narrative backup. Entry includes a brewery checkpoint drink, a finishers drink and a 2026 medal, and places are currently on a waiting list.

A seven hour timed riverside challenge in Egham with flexible starts, a signed loop, medals for 3 km finishers, goody bags including a vegan option, distance pins from half-marathon upward, and aid stations on 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.

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..

An obstacle 5k at Priory Park, Bedford on 25 July 2026 featuring climbs, crawls and muddy obstacles. Organised by Cancer Research UK, it uses staggered wave starts, has basic on site facilities and is not suitable for wheelchair users.

Trail races from Queen Elizabeth Country Park across sections of the South Downs Way, offered at 12K, 25K and 50K, with marked routes, stocked aid stations, marshals and a serviced event village plus chip timing and finish medals.