Trail Running calendar near Grantchester 2026-2027

We have found 363 Trailruns within 80 miles of Grantchester. See below where and when you can find the races.

This event offers three distances—50 km, 25 km, and 10 km—through the scenic Chiltern Hills, starting and finishing in Amersham. It supports the charity Humanity Direct, with free entry available for fundraisers. The route explores villages..

UTMB Index

A seven hour timed event on the flat canal towpath at Burton Waters near Lincoln, offering half, marathon and ultra options on a measured course. Limited to 50 entrants with transfers allowed given seven days notice.

This trail running event in Bedfordshire offers 25km and 50km distances through scenic, runnable terrain. It's a UTMB Index event, starting from Harrold. Finishers receive a medal to commemorate their achievement.

UTMB Index

Run scenic laps along the Thames towpath in Walton on Thames at the Ladybird Run, on flat off road trails with timed entries or a one hour rock up and run start window. Pick 5 km to ultra distances and complete as many laps as you like with..

Explore the trails of the Chiltern Hills on this guided 10km run near Berkhamsted. Run leaders provide tips and historical insights on a route past castle ruins. The event starts and finishes at Berkhamsted Football Club with easy rail acce..

A 13.1 mile out and back trail from Dorking to Leith Hill Tower with about 1,800 feet of ascent, four water stations and marshals on course. Entry includes a reusable medal, race number, beer and a cooked breakfast, with profits donated loc..

A seven hour timed event at Burton Waters near Lincoln on a flat canal towpath beside the Fossdyke. Measured laps allow half, marathon and ultra distances, with medals for anyone completing at least one lap.

Run a fast, flat race on the scenic Thames Path. Choose from marathon, half marathon, or 10km distances on this out and back route. The event offers stocked checkpoints and medical support along the course.

A guided 16k trail run at High Lodge in Thetford Forest led at a conversational pace, including forest facts and practical trail running tips. Terrain is mostly flat with some small hills; parking is charged at £4 and entry is £17.50.

A women-only trail run at Culden Faw Estate, Henley on Thames on 8 March 2026 celebrating International Women’s Day. Routes of 3 km, 6 km and 13 km across woodland and rolling parkland with chip timing, medals and refreshments.

This 10K course explores the Kent countryside, mixing roads and trails along the River Darent. Runners start at Heathside Sports Ground and finish with a bespoke medal. The village hall offers facilities, and marshals guide the way on roads..

A self-navigation trail run near Hullbridge, with 10-mile and 6.3-mile options. Navigate using a written route description on an unmarked course. The race starts from The Smugglers Den pub, where your entry includes a bar voucher.

This 50km trail ultra winds through the Chiltern countryside on two 25km loops from historic Stonor Park. Runners tackle 4000ft of climb past villages and ancient woodlands. It's a nine-hour event with food and drink vendors at the finish.

UTMB Index

A self navigation trail at The Museum of Power offering 6.3 or 3.4 miles on mainly off road footpaths and tracks. There are no markings or marshalls and each entrant receives a narrative and a cafe voucher.

Explore new scenic routes on the North Downs and Greensand Ridge in West Kent. This walking and running event offers three distances with indoor checkpoints providing refreshments. Now in its 49th year, it finishes with hot food at West Hea..

Take on Phoenix Running's Octopus Run on 15 March 2026 at Walton on Thames for a scenic towpath challenge along the River Thames, with distances from 5 km to ultra and flexible start times. Finish your effort and collect a bespoke finishers..

Join Gratitude 25KM 2026 in Broxbourne for a rewarding 25 km run on 21 March 2026. Ticketed entry and a welcoming atmosphere make it ideal for runners looking for a spring challenge.

A multi-distance trail event at Hyde Hall Farm with 10k to ultra options, lap-based heavy half and ultra formats, on-site parking, aid station at the lap point, baggage area and a bespoke or lucky dip finisher medal.

Guided 13 mile trail run around the Surrey Hills starting in Guildford, featuring the North Downs Way, St Martha's Church and views from Newlands Corner. Group paced event with kit support and an evening option.

A supported trek or run along the North Downs Way through Surrey, with a 26.2 mile marathon from Guildford or a 14 mile route from Ranmore Common, both finishing at YMCA East Surrey in Redhill. Transport, support stops and finish facilities..