Trail Running Calendar United Kingdom 2025-2026

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..

Join 8 Maids a Milking on 14 Dec at Pengethley Manor, Ross on Wye for a festive offroad run through vineyards and rolling hills. Choose 5k to ultra and finish within a friendly 7 hour limit; walkers and runners welcome.

Join the 65th Cyclists vs The Harriers Festive Event on 14 December 2025 for a spirited run and ride across grass, moor and trails with fun obstacles at Irvine Sports Club. Pre entry only, open to ages 15 and up.

Choose a 6 hour or 4 hour timed challenge at Brandon Country Park with 5.3 km multi lap loops through gravel paths and grassy trails in Thetford Forest. Perfect for lap lovers, with an aid station and a bespoke event medal to celebrate your..

The Saturn 7 Hour Time Challenge in Durham is a trail running event held at the Durham Amateur Rowing Club along the scenic River Wear, offering views of the Cathedral. Participants can run laps of approximately 4.37 miles (7 km), with opti..

Tackle mud, hills and panoramic views at the Mortimer Forest Trail Race with a rugged 10 mile route or a shorter 4 mile option. The full course includes the Big Dippers, a climb to High Vinnalls and a downhill finish over the Welsh Marches.

Celebrate the season with duathlons and trail runs through atmospheric Sherwood Pines on 14 December 2025. Races range from a family mile to full duathlon, with medals, festive treats and dog friendly 5 km and 10 km options.

Join the Fell Em Doon Festive 5 km in Ashington on 14 December 2025 for a flat two lap trail run on traffic free paths. Every finisher gets a mug and medal and you can enjoy festive stalls and a lively post race atmosphere.

Enjoy a festive half trail through Suffolk woodlands, meadows and quiet lanes on Sunday 14 December 2025. Expect an eco medal and mince pie at the finish, friendly trails and timed results in a relaxed winter race atmosphere.

Run the PECO Cross Country League at scenic Pontefract Park on an undulating two lap course of about 4.5 to 5 miles. Club rivalry and a lively winter race atmosphere make this a must for cross country runners.

Join Run to the Rising Sun 10k at Rising Sun Country Park on 14 December for a scenic, marshalled trail with one summit and mainly downhill running. Finish with snacks, a memento and wild flower seeds; bring a drink container.

Tackle muddy trails and dramatic climbs at the Mortimer Forest Trail Race on 14 December 2025. Choose a testing 10 mile or a shorter 4 mile route over forest paths and High Vinnalls with panoramic views across the Welsh Marches.

The BigXmas Trail Festival is an annual trail running event held at Sale Water Park in Greater Manchester, blending urban and rural landscapes. Now in its fourth year, it offers three race distances: 11km, half marathon, and marathon. The c..

Night street orienteering in Colchester on 17 December from the Berechurch Arms. Choose a 3.4 km short or 5.4 km long course, use MapRun or printed maps and hunt controls by torchlight for a fun, technical evening.

Take on the 12 Drummers Drumming Run at Pengethley Manor, an off road loop through vineyards and manor grounds with tough hills. Distances from 5k to ultra welcome runners and walkers, with virtual entries and medals available.

Silent Night is a challenging night fell race to Chapelfell Top across rough pathless ground, run entirely in the dark and demanding strong navigation skills. Strict kit and proven navigation experience are required, making it a true winter..

Join A Nightmare Before Xmas Trail Half Marathon in Bridgend for a festive, spooky run across muddy, technical trails, steep climbs and rewarding views. Only 50 spots with mulled wine, mince pies, a medal and best fancy dress prize.

Take on NAV4 Tour de Helvellyn, a winter mountain ultra of about 38 miles with roughly 2000 m of ascent across unmarked Lakeland terrain. Limited to experienced runners, this low support event demands solid navigation and winter kit.

Join the festive Gaddesby Gallop on 20 December 2025 for a spirited village run and a warm post race gathering at Gaddesby village hall. Entries are online only and race numbers are collected at the hall on race day. Dogs are not permitted.