Trail Running calendar near Grafham Water 2026-2027

A 103 mile trail run along the North Downs Way from Farnham to Ashford, featuring about 11,000 ft of climb and a 30 hour limit. The route passes Box Hill and Knockholt Pound and is supported by 12 aid stations and on course medical cover.

Point to point trail ultraruns through the Stour Valley in Constable Country. The SVP100 covers about 102 km and a 50 km option follows part of the same route; finishers receive a medal, t-shirt and UTMB Index points.

Choose any number of laps on a scenic 5.3 km loop at Denbies Wine Estate to make distances from 5 km up to ultra. Timed event with a flexible 1.5 hour start window and support on a hilly off road course.

A riverside race series in Richmond along the Thames Path with 10 km, half marathon and marathon routes starting and finishing at Petersham & Ham Sea Scouts HQ. Check points are stocked and KLP Medics provide on-course medical support.

Four hour team relay at Minley Manor, Hampshire where teams of four run repeated 4 km off road laps through woods and grassland. Male, female and mixed categories have prizes for the top three teams in each.

The Stopsley Trail Race on Sunday 9 August 2026 offers 5K, 5 miles and 10 miles on scenic undulating trails along the Bedfordshire and Hertfordshire border. Entries include chip timing, bespoke medals, free photos and participant goodies.

A summer charity trail in Cold Norton on 9 August 2026 offering 10 km and half marathon routes across grass, tracks and paths. Proceeds support Farleigh Hospice and entries close 31 July 2026.

A six hour timed circuit event on farm fields at Thonock Lane Farm in Gainsborough. Runners complete 2.5 km laps with on-course drink and food stations and receive a themed medal and goody bag.

A 7 hour timed event on a signed riverside loop in Egham offering flexible distance choice from 3 km up to 50 km, medals and goody bags for finishers, aid stations each lap, and distance pins for half-marathon and above.

A 50k and 100k trail event around Market Harborough on 15 August 2026, following long-distance footpaths with marked routes, aid stations and mandatory kit requirements. Free guided recces, pre-order merchandise and an event medal for all f..

A guided 10 km trail run through the Chiltern Hills followed by a brewery tour and tasting at Tring Brewery. Groups are split by ability and participants should be able to run 5 km without stopping.

Special-edition Rat Race obstacle event at Forest Facility near Stamford, featuring a 4 mile loop with about 60 obstacles, family and teen options, and additional on-site activities. Proceeds support Project Jungle rainforest conservation.

Trail event on 16 August 2026 offering a competitive 15 mile run and a timed 15 km social hike. Over 18s only; starters receive a vest or T shirt and finishers get a medal and a free drink.

An evening *10 km* trail run with a published Strava route, limited entry and an event T shirt included. Race numbers are issued on the day, manual timing may be used and results are posted within 48 hours.

Seven hour timed run on a signed River Thames loop near Egham with flexible start options, medals from 3 km, goody bags including a vegan option, aid tables each lap and distance pins for half marathon or longer.

Trail half marathon and 10k around Carsington Water on 22 August 2026, run on marked trail paths with marshals and an event village. GPX files are available for both courses.

Trail races at Wendover Woods feature a half marathon, 10k, 5k and junior race across steep woodland with 181 m of climb. Entries include a themed medal, free photos, chip timing and post race goodies.

A ten day running series in Walton on Thames from 22 to 31 August 2026 offering daily themed rubber ducks and ten giant spinning ducky medals, with distances from 5 km to ultra and certified out-and-back routes along the Thames towpath.

A chip-timed, fully signposted circular fell race of 30 km on footpaths, bridleways and roads around Belper on 23 August 2026. The route includes Roman roads, ancient woodland and sections of the Midshires Way.

Combined half and full marathons run through Richmond Park on 23 August 2026, using a lap route from Sheen Gate that follows the Tamsin Trail with aid stations and finishers receiving a medal, mug and buff.