Trail Running calendar near Grantchester 2026-2027

The Stopsley Trail Race on Sunday 9 August 2026 offers 5K, 5 miles and 10 miles on scenic undulating trails along the Bedfordshire and Hertfordshire border. Entries include chip timing, bespoke medals, free photos and participant goodies.

A summer charity trail in Cold Norton on 9 August 2026 offering 10 km and half marathon routes across grass, tracks and paths. Proceeds support Farleigh Hospice and entries close 31 July 2026.

A seven hour timed event on a signed loop along the River Thames in Egham. Participants choose their distance and receive medals, goody bags and aid stations on course.

A 50k and 100k trail event around Market Harborough on 15 August 2026, following long-distance footpaths with marked routes, aid stations and mandatory kit requirements. Free guided recces, pre-order merchandise and an event medal for all f..

A guided 10 km trail run in the Chiltern Hills on 15 August 2026, finishing with a Tring Brewery tour, tasting and a pint or soft drink in the brewery beer garden. Spaces are limited to 50 and a ticket price of £35 is shown.

Dirty Day is a Rat Race special-edition obstacle event at Forest Facility near Stamford, featuring a 4 mile loop with about 60 obstacles, family and extended lap options, extra adventure activities, and proceeds supporting rainforest conser..

Trail event on 16 August 2026 offering a competitive 15 mile run and a timed 15 km social hike. Over 18s only; starters receive a vest or T shirt and finishers get a medal and a free drink.

A 22 mile guided trail run from North Walsham to Cromer on the Norfolk Coast. The route follows the Paston Way and passes places linked to the Paston family; organiser ESCAPE trails lists the price as £28.

A *10 km* trail run on 21 Aug 2026 with a predominantly anti-clockwise course, mailed race details, limited parking and an included event T-shirt. Finishers can claim coffee and cake and official results are posted within 48 hours.

Seven hour timed challenge on a signed Thames-side course at Wraysbury Skiff & Punting Club with flexible starts, medals for 3 km finishers, goody bags including a vegan option, distance pins and on-course aid stations.

Trail races at Wendover Woods feature a half marathon, 10k, 5k and junior race across steep woodland with 181 m of climb. Entries include a themed medal, free photos, chip timing and post race goodies.

A ten day running series in Walton on Thames from 22 to 31 August 2026 offering daily themed rubber ducks and ten giant spinning ducky medals, with distances from 5 km to ultra and certified out-and-back routes along the Thames towpath.

Combined half and full marathons run through Richmond Park on 23 August 2026, using a lap route from Sheen Gate that follows the Tamsin Trail with aid stations and finishers receiving a medal, mug and buff.

Experience a scenic run through the historic Richmond Park on this UK Athletics Affiliated course. Choose between a half or full marathon distance following the trails and private roads of London’s largest Royal Park.

A trail run entirely within Richmond Park offering half marathon and marathon distances, a route past the White House and park lakes, and on-course drinks and feed stations.

A self navigation trail event along the Colne Valley Path with marathon and half marathon distances, stocked aid stations, cupless arrangements, a pre-race shuttle and optional medal choices.

Summer community races of 5 km and 10 km from Whitwell and Reepham Railway Station along Marriott's Way, with medals for finishers and fundraising for Keeping Abreast Breast Cancer Reconstruction Support Charity. The races are not timed.

A trail half marathon from Creasey Park across the Dunstable Downs, run mainly on footpaths and bridleways. The self navigated course includes checkpoints and guide runners, a GPX file, on course drink stations and event facilities.

A timed, multi-distance event at Ardingly Reservoir with lap-based 7 km out-and-back course, a seven hour limit and flexible start window; finishers receive a donut medal and a no-medal entry option is available.

Two self-navigation trail races near Chelmsford: an approximately 16 miles hilly Admiral McHilly Trail and a flatter approximately 6 miles Chelmer Trail. Routes are issued on the day with no markings or GPX files.