Trail Running calendar near Grafham Water 2026-2027

A 50 mile point to point on the North Downs Way from Farnham to Knockholt Pound, with 5,600 ft of climb and around 80% trail. The race has a 13 hour limit, six aid stations, no pacers or crew, and a 300 runner cap.

Several distances are available: 5k, 10k and 20k routes around Deddington. The event is open to all ages and organised to raise funds for Deddington Primary School PTA, Deddington PFSU and the Firefighters Charity via Deddington Fire Statio..

A last-person-standing backyard ultra in the Lincolnshire Wolds: runners repeat a 4.167 mile off-road loop each hour with a bell, continuing until one runner completes a solo lap. Entry is limited to 100 competitors.

Race for Life at Weald Country Park in Brentwood features 3k, 5k and 10k routes across grass and woodland trails. The 10k is two laps of the 5k course and the event is chip timed.

Trail runs and walks near Reading at Mapledurham House on 22 and 23 May 2027, with waymarked routes along the Thames, multiple distances, support stations, online tracking and on site camping.

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.

Track running event at Wodson Park offering distances from 5k to a 6 hour challenge on a 400 metre athletics track, with chip timing, bespoke medals, aid stations and a 100 runner limit.

Trail challenges from Richmond upon Thames to Brighton on 23 to 24 May 2026. Distances include 100 km, 50 km, 25 km and a Sussex Trail Marathon with rest stops, GPS tracking, catering and medical support.

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.

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 trail Half Marathon and 10k at Carsington Water in Derbyshire on 26 June 2027, featuring waterside and countryside routes. Entries include chip timing, photos and a themed medal, with marked trails, marshals and a GPX route file.

A point to point half marathon along canal towpaths from Wolverhampton to Brindley Place in Birmingham, featuring a 360 metre tunnel, time trial wave starts and floating drink stations every 3 miles.

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.

A 100K ultramarathon in the Chiltern Hills on an anticlockwise loop from Chesham, passing Ashridge Estate, The Ridgeway and Whiteleaf Hill, with marked route, open GPS tracking, aid stations and a 19 hour time limit.

A trail Half Marathon and 10k around Carsington Water on 16th October 2027, set on waterside paths and countryside trails in Derbyshire. The event includes chip timed results, a themed medal, GPX route files and an event village.

A winter trail event at Carsington Water in Derbyshire offering a half marathon and a 10k around the reservoir. The event includes chip timing, a themed medal, marked routes with GPX files and an event village with food and free photos.