Trail Running calendar near Welwyn 2025-2026

We have found 367 Trailruns within 80 miles of Welwyn. See below where and when you can find the races.

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.

The Christmas Charity Run at Rathfinny The event takes place on 28 December 2025 at Rathfinny Wine Estate, The Tasting Room, Alfriston, Polegate, BN26 5TU. The run is limited to 75 places and is open to local runners only. Part of the entry..

Take on a scenic 10 mile cross country through Hainault Forest with Ilford Athletic Club, three undulating laps across tracks and grass. Friendly club atmosphere, limited entries and post race prizes make it a rewarding winter challenge.

Tackle an undulating winter cross country on Sunday 28 December 2025 at Acresford Sand and Gravel in Huncote, featuring Croft Hill and a stream for a scenic but testing 10K. Junior one and two lap races share the same start and finish.

Join the Westfield 7.5 km trail race on Sunday 28 December 2025 for a scenic loop past Farbanks Henge and village hamlets. Limited to 50 runners, with marshalled off road course, post race tea and cake and prizes for top male and female.

Winter X near Meonstoke on 28 Dec offers 10, 30, 50 and 70 km trail routes along the South Downs Way. Enjoy marked courses, checkpoints, chip timing, an event tee and post run food.

Join the Darklink Lightlink 10 km in Shoreham on 29 December for a flat headtorch run along the Downslink to Bramber and back. Mandatory headtorches, chip timing and a finisher medal add post holiday sparkle.

Finish the year with the River Thames Run, a six hour timed challenge along a flat, scenic out and back route beside the Thames. Choose a 3.28 mile lap, 5k, 10k or go further up to ultramarathon distance while enjoying club facilities.

January 2026

Kick off the year with Knacker Cracker, a tough 10K trail on Box Hill in Surrey that climbs to Box Hill Fort across steep, scenic tracks. A free Nipper Knacker kids run happens alongside.

Rhino Run in Wraysbury at Wraysbury Skiff and Punting Club is a 6-hour timed running event organized by Circuit Running. The course is an out-and-back with each lap about 3.28 miles. Runners can complete from 5k up to an ultra within the ti..

East Hanningfield Trail Marathon is a 95% off-road, circular trail race around the village of Danbury, starting and finishing at East Hanningfield Village Hall. It is described as a narrative race with no marshals or arrows, requiring compe..

Join the Penshurst Village Cross Country Run on Sunday 4 January 2026 for mud, hills and community spirit across scenic village trails. Choose a 5 mile race or a 5 mile canicross and enjoy a friendly morning for runners and dogs alike.

Country to Capital is a 43 mile point to point ultra from Wendover to Little Venice, taking you from rolling country trails and long canal towpaths into central London. Expect varied terrain, live GPS tracking, and medals plus prizes for to..

Guided 30 mile trail ultra from St Martha's Hill along the North Downs Way, over Box Hill and past Denbies, led by an experienced coach. Welcoming new ultra runners who can manage 22 mile training and hold about 10 min/mile.

Event overview Wild Running stages a night trail event at Denbies Wine Estate, Dorking, in the Surrey Hills. The course runs across muddy, rolling hills through the Denbies Estate and is marked for night navigation. Distances offered includ..

Join the G3 trail run series in the Surrey Hills around Newlands Corner with races on 10 Jan, 31 Jan and 28 Feb 2026. Choose 10 km or 15 km courses across scenic, technical trails and save with three race bundle options.

The Northampton 10K is a well-organized running event held at Northampton Racecourse Park, featuring a 2.2 km start followed by three laps around the racecourse. The course is accurately measured and takes place on pathway terrain, offering..

Warm up your winter with the Winter Hot Chocolate Series, three friendly cross country races around Bramshill Plantation based at St Neot's School. Enjoy chip timing, themed medals and hot chocolate treats, plus a fun 1 mile kids race.

Run a scenic 5.3 km multi terrain lap through Thetford Forest at Brandon Country Park in a timed 6 hour or 4 hour challenge. Limited to 300 entries, finishers earn a bespoke medal and virtual places are available.

Take part in Festive 5 on 11 Jan 2026, a 5 mile off road run along the River Avon through Fladbury and Lower Moor. Organised by Friends of Fladbury, this fundraiser offers free cake, spot prizes and supports local community projects.