Trail Running calendar near Great Baddow 2026-2027

A 13.5 mile single-loop trail through the South Downs National Park, starting and finishing at Helen Garden in Eastbourne. The route follows the South Downs Way via Friston Forest, Seven Sisters and Beachy Head with about 2,000 ft of ascent..

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.

An evening marathon that follows canals, waterfalls, vineyards, woodland and coastal saltmarshes, running from early evening into the night. Registration for the 2026 edition is closed.

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.

At Prospect Park in Reading this Race for Life event offers a 10k run as two laps of the 5k course plus a separate 5k option, with grass and woodland terrain and some steep slopes.

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.

The Race for Life Royal Tunbridge Wells will take place in Royal Tunbridge Wells on Sunday 6 June 2027. You can run 5 kilometers.

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.

A guided 10 km trail run around the Devil's Punchbowl in Hindhead, Surrey. Hilly evening and night runs in a group setting with parking available and a kit list provided; cost £22 per person.

Trail running event in the South Downs National Park near Petersfield, Hampshire, offering marked routes from 10 km to 100 km. Coach transport to starts is included, with camping, food and a licensed bar at the venue.

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 mixed-terrain trail event along the Thames at Remenham Farm on 4 September 2027, offering a half marathon, a 10K and a junior race for under 11s with chip timing and themed medals.

Guided 10 km trail run around Silent Pool near Guildford, following parts of the North Downs Way and Netley Heath forest. Sessions run at dusk or at night with headtorches in a led group and a recommended pace of about 10 min per mile.

A guided 10 km trail run around the Devil's Punchbowl in Hindhead, Surrey. Hilly evening and night runs in a group setting with parking available and a kit list provided; cost £22 per person.

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 30 mile trail run from St Martha's Hill exploring the Surrey Hills and Box Hill with an experienced ultra runner and coach. Group pace, recommended 22 miles training, cost £55 and an alcohol free beer may be available.

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.