Trail Running calendar near Hertfordshire 2026-2027

Experience the beautiful Suffolk countryside and historic roads of Ousden in this multi terrain event. Choose from distances ranging from 5k to Ultra with a supportive base camp and bespoke finisher medals.

A forest trail event at Wendover Woods on 7 June 2026 offering a half marathon, a 10k multi-lap course and a junior run. The hilly route includes route maps and GPX files, with onsite parking, a cafe and spectator facilities.

Test your endurance at this 7 km fell run featuring steep climbs and 220m of elevation. Conveniently located near the Wendover Train Station and sanctioned by the Fell Running Association it includes a post race drink for all finishers.

Experience the inaugural Alice Holt Wild Trail Runs in the wooded paths of Surrey. Choose between a 10 km or Half Marathon distance with chip timing and finishers medals included for all participants and their canine companions.

A coastal running event on Margate Main Sands following ten bays across sand, promenade and cliff tops. Two distance options are available: approximately 15 miles or a 4Bay 10k held at low tide with coastal stacks and arches.

Celebrate twenty years of multisport events with this self navigated 10k trail run in East Sussex. Enjoy a route across public footpaths and hills finishing with a commemorative medal and a drink at the local pub.

A flexible 6-hour timed run along the flat, scenic Jubilee River near Slough. Run as many laps as you like on the 5.24-mile course, with everyone receiving a finisher's medal. The route offers countryside views and a riverside path.

A licensed 10 km race around Sandringham Estate on mixed trail and road terrain, marshalled and chip-timed with a finisher medal, water station, medical cover and a two hour time limit.

Test your endurance at the Royal Family's Sandringham Estate in this 24 hour trail race. Run solo or in a relay team through scenic parkland while enjoying a festival atmosphere with onsite camping and live entertainment.

Enjoy a flexible 7 hour time challenge along the scenic River Thames in Egham. Run or walk as many laps as you choose to earn a medal, goody bag, and special distance pins.

A flexible Friday run along the Thames. Choose your start time and your distance, from a 5k lap to an ultra. It's a smaller event with a lower fee, but you still get one of the famous Phoenix medals.

Scenic off-road 10 and 20 mile trail races at Castle Farm Campsite near Fotheringhay, with camping available and eco-friendly measures such as bringing your own cup or bottle; one pound per entry supports a local fitness charity.

A *100 mile* non-stop foot race along the South Downs Way from near Winchester to Eastbourne, supported by 12 aid stations, full medical cover and a 30 hour cut off. The event is part of the Gran Canaria World Trail Majors Series.

Experience a 50km journey through the South Downs National Park featuring stunning ridge trails and historic landmarks. This well supported event offers a challenging route from Winchester to Queen Elizabeth Country Park.

A multi-distance trail event in the Cotswolds on 13-14 June 2026 centered at Cirencester basecamp, offering strong route support, GPS tracking, regular rest stops, medical cover, camping and finishers awards.

Experience a scenic trail run around South East England's largest lake with distances ranging from 10km to a 50km ultra marathon. Enjoy undulating rural trails and wooded paths with stunning reservoir views throughout.

An inflatable obstacle course run of 5 km in Brighton on Saturday 13 June 2026, with recent booking activity and participant feedback noting a positive family experience.

Test your endurance at MacTuffX London in Barking. Choose from solo, doubles, or relay categories with interval distances of 10x400m or 10x800m. This event is open to all participants aged 18 and over.

Trail marathon, half marathon and 10K at Watership Down on 14 June 2026. Single lap courses, mostly off road, with finishers items, race photos and managed road crossings.

Choose your distance at this flexible timed event along the flat Thames towpath. Run from 5k to an ultra within a 7-hour window and earn a unique finisher's medal. With a 1.5-hour start window, you can begin your run at a time that suits yo..