Trail Running calendar near Marlow 2026-2027

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 summer ultra around Bristol on 22 August 2026 offering 45-mile and 30-mile clockwise routes, self-navigation with GPX, chip timing, electronic tracking from 2026, and bespoke finisher medals.

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.

A 13.1 miles park half marathon in Richmond Park following the Tamsin Trail and park roads, with refreshment points, varied scenery and a single lap route returning to Sheen Gate.

Trail races over half marathon and marathon distances take place entirely inside Richmond Park, starting and finishing at Sheen Gate. The course passes gates, lakes and wooded sections and includes several drink and feed stations.

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.

The Plum 10k is Pershore Plum Plodders club's 10 kilometre race in Pershore, Worcestershire, with results archived back to 2016. The next edition is scheduled for 30 August 2026.

Take on the Muntjac 15, a 15 mile trail around Danbury Essex with 1600 ft of climbing across scenic woodland and technical singletrack. Enjoy a well stocked checkpoint, a quality memento and bespoke local trophies.

Event Overview The Woldingham Marathon and Half Marathon are trail running events on a single out-and-back course. The half marathon completes the course once, while the full marathon covers it twice. Course Details The route starts at Wold..

An evening trail run through Ickworth Park with chip timed 5 km and 10 km courses across limestone paths, meadows and woodland. All finishers receive a medal and water refills are available without single use cups.

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.

Multi-distance trek and trail event on the South Downs Way on 5 and 6 September 2026, from Eastbourne to Arundel. Routes pass Beachy Head and the Seven Sisters and include rest stops, GPS tracking, medical support and camping options.

A running event at Westonbirt Arboretum on 5 September 2026 with 1 mile, 5 km and 10 km routes through varied tree collections; organised by Relish The Great Outdoors and currently showing tickets as sold out.

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.

Join the Carnival Chase on 6 Sep in Warminster Town Park for 10K, 3K and a 1.2K family, wheelchair and buggy fun run. Enjoy a scenic country lane course by the boating lake, medals for all and a lively event village.

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..

A multi-distance towpath challenge from Putney Bridge to Henley, with supported rest stops, medical teams, GPS tracking and options for walkers, faster runners and two-day formats as part of a riverside weekend festival.

A three-race fell running series on the Isle of Wight, held 12–13 September 2026, also serving as the SEAA Fell Running Championships. Races range from 3.8 km to 21 km, with entries open from 22 October 2025 to 7 September 2026.

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.