South East (England)
Trail Running Calendar South East (England) 2026-2027
Explore the best trail runs in South East (England) for 2026-2027! Our updated list features 345 exciting trail runs across the region. Find your next trail run in South East (England) below and join the trail community at these great events!
August 2026
A 47 mile point to point ultramarathon along the Thames from Henley to Kingston, with three checkpoints offering food and drink, mandatory navigation kit and a required average pace to remain in the race.
A 103 mile trail run along the North Downs Way from Farnham to Ashford, featuring 11,000 ft of ascent, 12 aid stations and a 30 hour finish cut off.
Trail races in Bordon with wet, sandy and technical single track; choose a 5 km single lap or a 10 km double lap with a 75 minute first lap cut off.
A summer 10k through country lanes around Mount Ephraim Gardens in Kent, with a separate junior run and downloadable route maps. The event raises funds for Oasis Domestic Abuse Services and includes a bespoke medal and garden entry.
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.
Scenic races in Wye offering a multi terrain 10 km and a half marathon with a new Event HQ and chip timing.
A team relay at Minley Manor on 9 August 2026 where teams of four run repeated 4 km laps through woods and grassland within a four hour window.
A guided 15 mile trail run from Cuckmere Haven to Beachy Head organised by Trail-Run Explorers, with an entry cost of £15 and location postcode BN25 4AD.
A beach-based 10 km race on the low-tide sands of Worthing and Shoreham beaches, starting and finishing at the Coast Cafe on 13 August 2026.
Four-event summer series at Dinton Pastures offering 5 km, 10 km and a 2 km kids race on a flat off road traffic free course with chip timing and medals.
Midweek Chasing Numbers at The Last Hop in Staines is a flexible seven hour time challenge along the River Thames with distances from 3 km up to 50 km and ultra options.
Seven hour timed event on the River Thames near Egham offering flexible distances from 3 km up to 50 km, with medals, goody bags and aid stations.
This timed event on August 15, 2026, offers a flexible, multi-lap format on a smooth riverside course in Winchester. Runners can choose their start time and distance, from a single lap to an ultra marathon, within a 7-hour window. All finishers recei..
Off road half marathon in Henfield on 16 August 2026 with riverside and disused railway sections, flint paths and stiles; facilities include changing rooms and free parking.
A 7-hour Time Challenge along the River Thames near Staines with flexible starts and distances from 3 km to 50 km. The event is licensed by the Trail Running Association and offers medals, distance pins and a goody bag.
A seven hour timed event on 21 August 2026 at Wraysbury with lap based distances from 3 km up to 50 km, themed medals, goody bags and aid stations.
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.
About 52 miles across the South Downs National Park, a circular challenge from Plumpton Agricultural College visiting Lewes, Glynde and Alfriston with about 7,000 feet of ascent.
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.