London Epping Forest 50 Km

Take on the Viper 5 Mile autumn trail in the dark around Mill Green, an atmospheric night run with just 50 places. This self sufficient event requires headtorches and phones, and finishes back at The Viper for a well earned drink and food.

Choose your distance on the day from 7 km up to a 40 mile ultra on scenic mixed trail and road loops around Chalfont Park. Drop bags, pacers and crew are welcome and there is an aid station plus a trained medic on site for support.

Run through scenic Epping Forest on Saturday 25 October 2025 with a Half Marathon or 10K on varied natural trails. Chip timed, fully marked and dog friendly with aid stations and a finisher medal.

Tackle the Stort30, a scenic 30 mile ultramarathon along the River Stort and Lee navigation from Bishop's Stortford. Mostly grassy trail with muddy sections, aid every five miles and finish line clubhouse facilities.

Thames Path Trail Run : Windsor Racecourse, 26 October 2025 The Thames Path Trail Run takes place at Windsor Racecourse on 26 October 2025. The route follows sections of the Thames and nearby countryside. Distances offered: 21km 16km No do..

Event overview The Chiltern Ridge Winter 50K is a single-loop trail race held in the Chilterns, with the start and finish at Berkhamsted Cricket Club. The next edition is on 1 November 2025. The event distance is 50K with approximately 800..