Trail Running calendar near Letchworth Garden City 2025-2026

We have found 325 Trailruns within 80 miles of Letchworth Garden City. See below where and when you can find the races.

Sussex Downs Trail Run The Sussex Downs Trail Run takes place at Plumpton Racecourse in the South Downs National Park, Mid-Sussex. The course starts at the foot of the South Downs and moves from a flattish, tree-lined section into a sustain..

The ATW Grafham Water Trail & Canicross is a scenic 10-mile trail running event held at Grafham Water Visitor Centre in Cambridgeshire. The course begins on the iconic dam, offering a fast start, then loops around the reservoir through wood..

Bauble Bimble at Ferry Meadows offers a festive timed challenge with four or six hour options on a scenic 5.3 km multi terrain loop. Run as many laps as you like to hit distances from 5k to Ultra and earn a bespoke medal or join virtually.

Trifarm Winter 10k is the final round of a four-event winter trail run series held at Trifarm, Boreham, Chelmsford, Essex. The 10k route is mostly off-road, on public footpaths and bridleways, and runs clockwise to head away from the river..

Event Freedom Racing - Hurtwood 50k takes place on Sunday 7 December 2025 in the Surrey Hills (approx. lat 51.234679, long -0.324757). The race distance is 50k. Minimum age to enter is 16. Entries open 12 December 2024 and close 5 December..

UTMB Index

Take on the Winter Downs 200, a 200 mile continuous trail around southern England with 6,800 m of ascent and a 96 hour limit. Limited to 100 starters, this epic loop via five long trails mixes tough climbs, wild scenery and full support.

UTMB Index

The Salcey Forest Christmas 10K, 5K & Junior Fun Run is a festive trail running event held in Salcey Forest, Northamptonshire. Set amidst beautiful, tree-lined woodland paths, the race offers a virtually flat, mixed-terrain course that can..

Mince Pi Run - races of 2 decimal places is a 14 December 2025 off-road event at Shalford Park, Guildford. Participants choose from 3.14 to 31.4 miles (1–10 laps) on a scenic, mostly flat course with one or two hills. A Pi marathon option a..

Let it Stow - Half Trail Marathon Let it Stow is a festive-themed half trail marathon held on Sunday 14 December 2025 in Stowmarket, Suffolk. The distance is 13.1 miles. The route follows well-trodden footpaths with views of Stowmarket town..

Twas The Run Before Christmas invites runners to a festive timed challenge of multi terrain laps through Brandon Country Park. Choose four hour or six hour formats, enjoy woodland views and a bespoke finisher medal in a small friendly field..

Event overview The Chelmsford Brew Co 12k's of Christmas is a seasonal trail run that starts and finishes at the Voodoo Keller Bar in Chelmsford, Essex (6 New Street, CM1 1GP). The advertised distance is 12 km. The route goes out to the bre..

The Christmas Canter is a festive running event held at the Suffolk Running Centre in Bury St Edmunds, UK. Offering multiple distance options—5k, 10k, half marathon, full marathon, and ultra marathon—runners can choose their preferred chall..

The Winter Wanderlust 50km is an ultra-trail race held in Kent, UK, starting at Detling Village Hall and finishing at Wye Village Hall. Covering 50 kilometers with approximately 1,000 meters of elevation gain, the course follows the scenic..

Elves 11ish Trail is a narrative trail race held on 21 December 2025, starting and finishing at The Blackwater Leisure Centre in Maldon, England. The circular route covers 11 elvish miles, about 95% off-road across varied terrain between Ma..

The Die Hard Christmas Marathon and Half Marathon is a festive running event taking place on December 24, 2025, at Caldecotte Lake in Milton Keynes. Participants can choose between a full marathon, consisting of 7.5 scenic laps, or a half m..

Santa Claws 10km is a winter cross-country event organized by Racing Line Running, held at Renegade Brewery in the grounds of the Yattendon Estate, Berkshire. The course is a multi-terrain 10km, with a Canicross 10km option for runners with..

Winter X is a mid-winter trail-running challenge set in the Meon Valley near Meonstoke, Hampshire. On Sunday 28 December 2025, runners can choose from four distances: 10km, 30km, 50km, or 70km. The route uses well-trodden public trails, inc..

Join the Layer Twixmas Trail on 28 December for a self guided 5 to 6 mile trail run around Layer de la Haye. Enjoy a Twix, hot drink and cake, optional festive fancy dress with a cash prize and dog friendly fun.

Event overview Circuit Running Events Ltd stages the RIVER THAMES RUN on 31 December 2025 at Wraysbury Skiff and Punting Club, Riverside, Egham TW20 0AA. The event is a six-hour timed challenge on a flat, multi-terrain, out-and-back route a..

January 2026

Start the new year on trails with the Knacker Cracker 10K around Box Hill, a scenic but challenging course that finishes at Box Hill Fort. There is a Nipper Knacker fun run for kids and a Knicker Knacker ladies prize adds extra fun.