Trail Running Calendar South East (England) 2026-2027

A guided 10 km trail run around the Devil's Punchbowl in Hindhead, Surrey. Evening sessions include sunset runs or night runs by head torch and focus on group pacing, hilly trails, and scenic views.

Event Overview The Serpent Trail is a trail running event offering five distances: 100km, 75km, 50km, 20km, and 10km. It takes place on a long-distance trail through countryside in the South East of England, within the South Downs National..

Choose your own challenge at the Summer Sun Run, a flexible lap event set in the scenic Denbies Wine Estate. Complete as many 5.3 km laps as you like within 7 hours, with a large medal for all finishers. Enjoy a flexible start window and a..

A 21.1 km off road half marathon along The Ridgeway between Coombe Hill and Whiteleaf Hill, featuring 526 m of ascent, two on route aid station visits and full course marking near Wendover on 5 July 2026.

Two off road races around Bewl Water on 5 July 2026: a 15 mile route that includes the nature reserve and a 5 mile trail. The event is organised by Wadhurst Runners, supports the KSSAA, and features medals, t shirts, cake and beer.

A women only trail event at Denbies Wine Estate in Surrey on 5 July 2026 offering 50K, 25K, 10K and a kids race. No cut offs and options for in person or virtual participation, with profits supporting the SheRACES mission.

A guided 10 km trail run through the scenic Thursley National Nature Reserve. Experience the famous boardwalk on this flat route, offered as both sunset and night runs. It's a group run with a steady pace, and head torches are provided for..

A 6-hour timed run along the flat Jubilee River in Slough on July 9, 2026. Participants complete laps of 5.24 miles, choosing their own distance. Every finisher gets a medal.

A flexible 7-hour timed run along the River Thames. Choose your own distance from 3km to an ultra, with a scenic, signed course. All finishers get a medal, snacks, and distance pins for longer achievements.

A multi distance trail event on the Ridgeway on 11 to 12 July 2026, finishing at the Avebury Standing Stones. It offers 50 km and 100 km options with signposted runnable trails, multiple pitstops and basecamp support including hot food and..

Explore the scenic Chiltern Hills on this trail run from Princes Risborough. Choose from five distances, from 8 km to a 50 km ultra, on a course featuring ancient woodlands and chalky paths. The event includes aid stations, a cup-free polic..

BigHeat CampFIRE is a two day trail running festival at Mill Farm offering a 50 km ultramarathon, marathon, 16 mile, 12 km and a 2 km fun run alongside camping, yoga, live music and on course aid stations.

Race The Light is an evening trail run through the scenic Wendover Woods. Choose from 10K, 5K, or a 1.5K accessible route, with all proceeds supporting the Chilterns Neuro Centre. The fully marked course is open to runners, walkers, and whe..

Take on the challenging trails of Ashdown Forest with a choice of a 10 mile or 5 mile run. The hard-packed course offers tough climbs, rewarding views, and a friendly atmosphere. All finishers receive a bespoke medal.

Take on a scenic 7 hour timed challenge along the River Thames at Wraysbury, choosing how many laps to run from a 3 km minimum up to 50 km or ultra distances. Finishers from 3 km earn a medal and everyone gets goody bags with vegan options.

Join the Maidenhead Trail Run in Summerleaze Park for a scenic, flat trail race. Choose from 5K, 10K, or Half Marathon distances on soft paths around the park and lake. Your entry includes a themed medal, free photos, and post race goodies.

RunThrough Trails South Downs offers a scenic trail run on the South Downs Way. Choose from 12k, 25k, or 50k distances starting from Queen Elizabeth Country Park. The event includes waymarked trails, aid stations, and a medal at the finish.

Bright Skies Surrey Hills on 26 July 2026 at Denbies Wine Estate in Dorking offers trail races from 10K to marathon, plus Canix and kids races. The marathon is self navigated with mandatory checkpoints.

North Downs 50 on 1 August 2026 is a Guildford based trail event offering 50 km, 25 km and 10 km loop routes with covered rest stops, medical support and GPS tracking via an event app; camping and accommodation options are available.

A 49 mile point-to-point ultra along the Thames Path from Travelodge Oxford Abingdon Road to Henley-on-Thames. Three checkpoints supply water and nutrition, and all finishers receive a bespoke medal plus a technical t-shirt, mug or hat.