Trail Running calendar near Willen Lake 2026-2027

Trail runs from Sudeley Castle through Cotswold Way and Winchcombe Way with five routes from 7 km to 50 km across hills, woodland and ridge lines. The event features marked courses, outposts, timing and free parking.

A 7 km cross-country fun run at Trenchmore Farm, featuring orchard and woodland trails, a relaxed farmyard social with food and music, and a free drink for every runner. Fancy dress is encouraged.

A single-lap 50 km multi terrain ultra in the Thames Valley on 22 May 2027, based at Summerleaze Park, Maidenhead. The largely off road, fully signed course includes chip timing, four aid stations and free live tracking.

The The Fox Trail will take place in Guildford on Saturday 22 May 2027. You can run between 20 and 62 kilometers.

A 5 km obstacle event at War Memorial Park on 23 May 2027 where participants climb, crawl and slide across mixed grass and path terrain; entrants must be 13 or older and a minimum fundraising target of £50 applies.

A track-based running event at Wodson Park offering distances from 5k to a 6 hour challenge, with chip timing, bespoke medals and aid stations on the track.

A 10 km trail run at Marlow Rugby Club, part of the Ales & Trails series, on mixed off-road terrain beside the Thames, with medal, pint cup and a free Rebellion drink at the finish. The event was listed as full.

A guided trail half marathon around the Surrey Hills, about 13 miles from St Martha's Hill in Guildford, following parts of the North Downs Way and notable viewpoints. The run is social in format with a guided pace and evening options.

A multi-distance trail challenge from Richmond to Brighton with options up to 100 km, staffed rest stops, GPS tracking via an event app, camping at mid-point and finish-line kit including a medal and T-shirt.

Trail event at Hyde Hall Farm with a 5.3 km loop and multiple race options up to a 32 hour 100 mile challenge. The event includes an on course aid station, secure parking and finisher medals.

An 86 miles (139 km) point to point trail race along the full Ridgeway National Trail from Ivinghoe Beacon to Avebury Stones, featuring GPS tracking, permanent signage and eight staffed checkpoints with food and water.

A 60 km point to point ultramarathon from Ivinghoe Beacon to Ridgeway View Campsite along the Ridgeway National Trail, featuring ridgeline and woodland terrain, four checkpoints, open tracking and a 10 hour time limit.

A 24 hour off road trail event on *5 mile* loops offering Solo, Pair, and Team entries. The site includes camping, parking, caterers, and illuminated routes for night running.

The Grim Reaper is a multi-distance trail event at Grimsthorpe Castle Estate on May 29-30, 2027, using a fully marked 10-mile loop through woodland, limestone tracks and a disused railway. Distances range from 10 miles up to 100 miles and a..

A last-runner-standing backyard ultra at Far Coley Farm on 4 June 2027: hourly 4.167 mile loops on mixed trail until one runner remains, with an on-site village, limited accommodation, and crew facilities.

A Star Wars 50th Anniversary weekend on 5 and 6 June 2027 at Caldecotte, Milton Keynes featuring marathon and half marathon races around Caldecotte Lake, unique finisher medals, on-course water and toilets, and time limits for each race.

A 5k obstacle course at Royal Windsor Racecourse with mud obstacles to climb, crawl and slide, mixed tarmac and grass surfaces, staggered wave starts and a minimum age of 13. Earlybird entry prices and a fundraising target apply.

A 5 km obstacle course at Prospect Park in Reading where participants climb, crawl and slide across grassy slopes and woodland. Waves run every 15 minutes and the event is open to people aged 13 and over.

A 5k muddy obstacle course at Willen Lake with staggered wave starts, on-site toilets and parking, blue badge parking nearby, and a fundraising target of £50. The event is not wheelchair accessible.

Derby Pretty Muddy 5k is an obstacle course at Markeaton Park with climbing, crawling and sliding across mixed terrain. It is for participants aged 13 and over and includes a fundraising element, a kit pack and a finisher medal.