Trail Running Calendar South East (England) 2026-2027

A 47 miles point to point ultra along the Thames from Henley to Kingston. The route passes Windsor Castle and Runnymede, includes three checkpoints with food and drink, and awards finishers a bespoke medal and technical shirt.

Run 100 miles along the iconic North Downs Way from Farnham to Ashford. This point-to-point trail ultra features 11,000 feet of climb and must be completed within 30 hours. It's the 16th edition of this Western States qualifier.

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 scenic 10k around Mount Ephraim Gardens on 9 August 2026, with a separate Junior Run, route maps and GPX files, participant medals and garden entry, and fundraising for Oasis Domestic Abuse Services.

Multi-terrain 10k and half marathon around Wye with valley views and the hillside chalk crown. On-site event village, toilets and refreshments are provided and entries are priced differently for affiliated and unaffiliated runners.

The Hart 4 is a four-hour trail relay where teams of four race a scenic 4km loop at Minley Manor. With categories for male, female, and mixed teams, it's a fun, traffic-free challenge. The event features chip timing, medals for all, and a l..

Take on a 7 hour timed challenge along the scenic River Thames at Wraysbury Skiff and Punting Club, with distances from 3 km up to ultra. Tarmac paths, an aid table, cafe and finisher medals make it perfect for pacing or chasing distance go..

A scenic off-road half marathon on August 16, 2026, starting from Henfield Leisure Centre. The course runs along a riverbank and disused railway, featuring flint paths and stiles. All finishers get a medal, with facilities and refreshments..

A multi-distance running festival on 16 August 2026 in Southampton Common featuring 5K, 10K, a half marathon and junior races set on laps through woodland, ponds and parkland with marked kilometres and marshals.

A flexible seven hour timed run along the River Thames. Choose your own distance from 3 km to an ultra, with themed medals and goody bags for all finishers. Enjoy a fully signed course suitable for road shoes.

A point to point mixed terrain run from Mayflower Park, Southampton, following The Old Way with a short river boat crossing, historic landmarks, sticker-collecting race bibs and options for coach transport and alternative eco medals.

The Rings presents a new trail marathon and 50K ultra in West Sussex. The scenic route starts at Lancing College, traverses the South Downs Way, and ascends the iconic Chanctonbury and Cissbury Rings. The event is fully supported with aid s..

The Windsor Trail Run on August 30, 2026, offers a scenic 10k or half marathon through the flat paths of Alexandra Gardens in Windsor. Runners can enjoy views of the castle, chip timing, and free photos.

Event Overview The Woldingham Full and Half Marathon is a trail running event with two distances: the marathon (26.2 miles) and the half marathon (13.1 miles). The course starts and finishes at Woldingham School/Marden Park in Caterham. It..

Riverside races at Temple Island Meadows in September 2026 featuring a half marathon, 10K and junior event. Mixed undulating courses, chip timing, a themed medal, race photos and post race goodies.

Take on the South Downs Way from Eastbourne to Arundel in this coastal trail challenge. Choose your distance from 25 km to a full 100 km, with full support and rest stops along the way. Experience the cliffs of the Seven Sisters and finish..

Choose a half marathon or full marathon along a flat, scenic riverside towpath from Walton on Thames to Hampton Court and back, run in laps for easy pacing. Limited places and medals for all finishers plus a giveaway for every entrant.

A guided *10 km* trail run from Silent Pool near Guildford, using North Downs Way and Netley Heath paths, led by a qualified guide. Group-paced, two 2026 dates, £16 entry and car parking at the meeting point.

A bi-annual trail series circling scenic Bewl Water reservoir on mixed woodland and country lane terrain. Runners can choose from four distances: 10 km, Half Marathon, Marathon, or an Ultra 50 km. The marathon course is recognised as one of..

Trail races in Shere, Surrey, with **10k**, **21k** and **42k** routes across the Surrey Hills, chip timing, marked courses, aid stations, an Event Village and free parking. Start and finish at the cricket pavilion.