Trail Running Calendar United Kingdom 2026-2027
Explore the best trail runs in United Kingdom for 2026-2027! Our updated list features 2363 exciting trail runs across the country. Find your next trail run in United Kingdom below and join the trail community at these great events! Search for a location or view races near London, Birmingham, Glasgow, Liverpool, Scotland or Wales.
December 2026
A virtual edition of the 12 Days of Christmas 8 Maids a Milking run, open worldwide with 5k, 10k, half, marathon and ultra options and a seven hour time limit.
Festive trail runs at Sherwood Pines near Mansfield offering 1 mile, 5 km and 10 km options plus canicross, chip timing and a Merrell shoe demo.
Festive trail runs and family fun at Normanby Hall on 13 December 2026, featuring 5 km and 10 km races, a 3 km ChristMESS and a Santa sleigh team challenge.
An offroad multi-lap event at Shalford Park, Guildford offering runs from 3.14 to 31.4 miles, a Pi marathon option, a 1-mile kids run, and bespoke Pi Pie medals.
A 17.5 km circular winter hill race in the Southern Galloway mountains with 800 m ascent and mandatory map and compass.
Forest trail event at Salcey Forest on 13 December 2026 with 10 km, 5 km and a 1.2 km junior run, medals, prizes and fundraising for Shelter.
Forest trail event at High Lodge with distances from 5k to ultra, lap based woodland route, on course aid station, event medal and parking discount; 20% supports forest upkeep.
A 5 km community race at Pollok Park on 13 December 2026, part of a six‑park South By Five series with free entry and a required community donation.
Trail time challenge along the River Wear in Durham with distances from 3 km to ultra, themed medal, bobble hat and aid stations.
Timed, lap based run at Regatta Meadow in St Neots where runners complete 5.3 km laps within a six hour limit and earn a sparkly snowflake finisher medal.
Family festive runs at Lingwood Village Hall raising funds for Mini Donks, with medals, a free inflatable costume dash, and an on-site cafe.
A festive winter half trail of 13.1 miles through woodland, meadows and country lanes with cupless water refill, manual timing and an optional eco friendly medal.
Trail runs in Wyre Forest on 13 December 2026 with a family 1 mile plus 5 km and 10 km races; canicross allowed in the 5 km and 10 km events.
A pre Christmas anniversary timed run in Stroud on 13 December 2026 with flexible lap-based entry on a 3.28 mile canal route; distances range from 5 km to ultra and all finishers receive a bespoke medal and a memento.
A winter trail race of 15 miles through the Lincolnshire Wolds on 13 December 2026, with two categories: a weighted loadbearing option and a standard trail option with mandatory grit and specific cut offs.
BigXmas Trail Festival on 13 December 2026 offers three trail distances at Sale Water Park in Greater Manchester. Courses are marked and marshalled with aid stations on the half and marathon, chip timing, and a finishers medal or tree planting option..
A guided 16k trail run at High Lodge in Thetford Forest with conversational pace groups, forest facts, hill technique tips, and recommended trail shoes.
A hilly off-road 5 mile trail race in Lesnes Abbey Woods with manual timing, a 90-minute cut-off, and awards for the first three men and women.
Two multi terrain trail races in Mortimer Forest on 13 December 2026: a 10 mile course with High Vinnalls climb and a shorter 4 mile route on larger tracks.