Trail Running calendar near Lavenham 2026-2027

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 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 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.

An evening trail marathon on 5 June 2027 near Purleigh, Essex covering 27 miles with coastal, canal, vineyard and forest sections. The race has three checkpoints, mandatory lighting kit and cash prizes including a reward for a new course re..

A Backyard Ultra at High Lodge Thetford Forest where runners repeat a 4.167 mile loop each hour until one remains. Chip timing, on site camping, food vans and optional 6 hour and 12 hour timed entries are available.

A mixed road and country run around Ousden in Suffolk offering 5k, 10k, half, full and ultra options with loop and out-and-back formats, regular aid stations, onsite parking and bespoke finisher medals.

Park-based 3k and 5k runs at Dunorlan Park with mixed grass and woodland terrain. The event is organised by Cancer Research UK and includes a fundraising pack and a finishers medal.

Trail running and cycling around Gosmore and Hitchin in the Chilterns AONB with 10 km, half marathon and marathon options, riders starting ahead of runners and a children’s event on the village green; some proceeds support charities.

The Robertsbridge Midsummer 10K & 5K will take place in Robertsbridge on Friday 18 June 2027. You can run between 5 and 10 kilometers.

A flat 10 km trail run through Thursley National Nature Reserve near Thursley, Surrey. Group runs include dusk and night options with headtorch guidance, an entry fee of £22 per person, and kit and torch support available.

A 100 kilometre trail ultra on an anticlockwise loop through the Chiltern Hills that visits Ashridge Estate, The Ridgeway, Coombe Hill and Bledlow Ridge. Fully marked route with GPS tracking, six checkpoints and a 19 hour time limit.

A guided 12.5 mile trail run around Box Hill that gains about 1000 metres of elevation across woodland, heathland and open fields. Group pace with technical climbs and scrambling and a chance of an alcohol free beer at the finish.