Trail Running Calendar South East (England) 2026-2027

Trail running in the New Forest from Roundhill Campsite, on wide hard-packed paths through woodland and heath. Two route options are available, including a half marathon with 183 m elevation gain, and finishers receive a medal and a drink.

The Wendover Woods 50 is a 50-mile ultra on forest trails, featuring five challenging 10-mile loops with significant elevation. Runners are fully supported with multiple aid stations and must carry mandatory safety gear for the November con..

Multi-terrain 5 km and 10 km races in the Chiltern Hills on 15 November 2026, organised by Radnage C of E Primary School PTA with proceeds to the school. Village hall HQ offers a cafe, water stations and first aid on course.

A flat trail run along the River Thames from Alexandra Gardens in Berkshire, offered in 21 km and 16 km distances. Finishers receive a medal, a drink, and finisher goodies.

Take on the YHA 14 mile trail run on 14 June 2026, starting with a climb and featuring slippery chalk descents and muddy puddles. GPX and maps available, water, tea and cake after the finish, limited parking so travel by train or bike.

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.

A trail run in the South Downs National Park starting from Plumpton Racecourse, offering three route distances from 9 km to 21 km with ridge trails, coastal views, and a flat final section to the finish.

Take in riverside views at the Riverside Marathon and Half Marathon in Walton on Thames on 28 November 2026. Flat, UKA certified towpath course, limited places, medals for all finishers and virtual entry available.

Scenic riverside marathon and half marathon on a flat UKA certified towpath from Walton on Thames to Hampton Court and back. Lapped format with finisher medals and virtual entries.

A guided 30 mile trail run from Haslemere along the Serpent Trail and Sussex Border Path, featuring Blackdown, the Temple of the Winds and varied heathland and woodland. Group format with route support and trainer guidance.

A hilly trail 10 km through the woodland and parkland of Hughenden Manor near High Wycombe, fully waymarked with a water station at 5.3 km and on-site facilities at the National Trust venue.

A guided trail run on Box Hill that gains about 1000 m over 12.5 miles, featuring technical climbs, scrambling and varied terrain. Group paced for sustained trail running ability with parking at Stepping Stones Car Park.

A single loop 55 mile trail race around the South Downs, starting and finishing at Plumpton Racecourse. The route covers grass trails, farm tracks and woodland paths, includes 7,000 ft of ascent and seven aid stations.

A 50K ultramarathon through the scenic Surrey Hills, starting from Dorking. The December course follows the Greensand Way over three prominent hills. Fully marked and supported, it's a qualifier for the UTMB index.

A seasonal ten mile multi terrain race in Peacehaven with farm tracks, quieter roads and a notable hill around mile six. The event includes fancy dress, recycled finisher medals, charity partners and photos supplied by Sussex Sports Photogr..

New Forest Xmas Trails offers festive trail races from Holmesly Campsite in the New Forest. Distances range from 15 km to a 50 km ultramarathon on fully marked heath and woodland trails; opt to plant a tree instead of a medal.

The Winter Downs 200 is a 200-mile continuous winter trail run around southern England. Runners have 96 hours to complete the giant loop, which weaves together five iconic long-distance trails. The event features live tracking and support s..

Join the Christmas Jumper Friday Run on 11 December in Walton on Thames for a relaxed rock up and run along the riverside towpath. Pick 5k to ultra, run laps within a 7 hour window and earn a bespoke finisher medal.

Enjoy a festive midweek run along the River Thames at this flexible Time Challenge event. Choose your own distance, from 3km to an ultra marathon, on a mixed-surface course with full support. All finishers get a medal and goody bag at this..

Join the Mince Pi Run in Guildford for a Pi themed run by the water, with distances from a 1 mile kids fun run to the 3.14 mile loop and laps up to a Pi marathon. Every finisher gets a bespoke Pi Pie medal.