Trail Running calendar near Eynesbury 2026-2027

We have found 476 Trailruns within 80 miles of Eynesbury. See below where and when you can find the races.

Trail races on the Mapledurham Estate near Reading offering 10 km, 10 mile and half marathon courses across woodland, fields and estate roads, with finish refreshments, an engraved iTAB and a medal for finishers.

December 2026

Trail 5K and 10K around the grounds of Tewinbury hotel near Welwyn, on fully marked and marshalled trails. Mixed dirt, grass and woodland underfoot, with a 5.3 km aid station on the 10K and chip timing plus finisher medals.

A winter trail event at the Army Tank Training Area in Aldershot with 4-mile and 8-mile courses across muddy, waterlogged terrain; race numbers mailed in November and late collection available December 1.

A trail half marathon around Hughenden Manor and nearby woodlands covering 21.1km with about 450m of ascent. The waymarked forest route includes several aid stations and chip timing.

Experience a scenic 10 km trail run through the historic Hughenden Manor estate near High Wycombe. This hilly course features spectacular woodland paths and rural trails with full marking and on site facilities.

Timed Thames towpath run where participants choose lap distances on a 5.3 km out and back course and entry supports Rays of Sunshine Children's Charity.

An 80 mile winter ultramarathon on 5 December 2026 across Essex, Suffolk and Norfolk, organised by Challenge Running Ltd. The race includes checkpoint cut offs, mandatory kit requirements and GPS tracking with an emergency SOS function.

Experience an ultramarathon through the Surrey Hills starting from Dorking. Run over Leith Hill and Pitch Hill on a signed 50 km trail route that qualifies for the UTMB index.

UTMB Index

A festive trail race at Chasewater Country Park on 06/12/2026 offering 10k, 5k and a junior run around the reservoir. The event includes medals, photos and fancy dress prizes and raises funds for Shelter.

A single 10 mile canicross loop at Grafham Water on 6 December 2026, starting on the dam and circling the reservoir. The event includes dog-friendly facilities, a finisher medal with a dog charm, and nearby camping.

A lap based event at Ferry Meadows on a 5.3 km multi terrain circuit, with four or six hour options and aid at the base camp. Distances range from 5k to ultra and a bespoke event medal is available at the finish.

Join this end of season 10K trail championship at Wendover Woods featuring a marked route with 295m of elevation. Qualification is required for this exclusive event which is open to top finishers and volunteers.

Experience an incredible winter running adventure on this 200 mile continuous loop through the South of England. Navigate iconic national trails over 96 hours with support from major aid stations and live tracking.

UTMB Index

Join the Christmas Jumper Friday Run on 11 December in Walton on Thames for a relaxed rock up and run along the riverside towpath. Pick 5k to ultra, run laps within a 7 hour window and earn a bespoke finisher medal.

A festive midweek time challenge on the River Thames with flexible starts and distances from a 3 km minimum up to 50 km. Medals, distance pins and goody bags are provided, with aid stations and a mix of path and light trail surfaces.

Festive trail races at Sherwood Pines near Mansfield include a family 1 mile plus 5km and 10km options with canicross permitted on the longer distances. Live chip timing, medals and seasonal treats are provided to finishers.

Join the Mince Pi Run in Guildford for a Pi themed run by the water, with distances from a 1 mile kids fun run to the 3.14 mile loop and laps up to a Pi marathon. Every finisher gets a bespoke Pi Pie medal.

A winter trail event at Salcey Forest on 13 December 2026 offering 10k, 5k and a 1.2 km junior run on mixed forest trails. The event raises funds for Shelter and includes bespoke medals, photographs and prizes for leading runners.

A looped forest event at High Lodge, Thetford Forest offering distances from 5k to ultra on a 5.3 km lap, with on-course aid, bespoke medals, reduced parking for participants, and a portion of fees supporting forest upkeep.

A festive-themed half trail marathon on a well marked 13.1 mile route through woodland, meadows and quiet lanes in Mid-Suffolk, with on-course water refill, professional photography and trophies for the top three men and women.