Trail Running calendar near Gloucester 2025-2026

We have found 335 Trailruns within 80 miles of Gloucester. See below where and when you can find the races.

Choose from three challenging trail distances through Afan Forest, the Rhigos mountains and Coed Morgannwg Way, featuring climbs, long descents and river crossings. Finish at scenic Dare Valley Country Park on 13 December 2025.

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Join round 4 of the North Staffs Cross Country League at Keele on 13 December 2025 for a classic cross country test across traditional terrain. Team and individual races across all ages make it a great day for clubs and runners of every lev..

Take on 7 Swans a Swimming at Pengethley Manor: complete your chosen distance in 7 hours on a 2.5 km off road lap that climbs and winds through vineyards. Walkers and runners welcome and a flexible virtual option is available worldwide.

Middlesex Cross Country Championships return to Hillingdon Sports and Leisure Centre in Uxbridge on Saturday 13 December 2025. Youth and senior races from 2k to 12k, chip timed, open to clubs, schools and individuals.

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..

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.

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.

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.

Run the spooky A Nightmare Before Xmas Trail half marathon in Bridgend on 20 December 2025, a festive mixed terrain course with hills, mud and scenic road views. Limited to 50 runners, with an eight mile option, mulled wine and a prize for..

Join the Santa Run Wales at Dare Valley Country Park on 20 December 2025 for a family friendly 3 km on scenic footpaths. Enjoy festive music, fancy dress prizes, mince pies and a themed medal at the finish.

Celebrate the season at the Slow and Dirty, a family friendly trail race along a converted branch railway near Sturminster Newton, with a level 19k course or 11 mile option. Scenic Stour Valley running, dogs and buggies welcome.

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..

Join the Santa Claws 10km, a festive winter multi terrain cross country run at Renegade Brewery on the Yattendon Estate on 24 December. Expect muddier trails than the summer event, a canicross option and a finisher medal plus a beer or alco..

Run on Christmas Day along the Thames at the Christmas Day Cracker Run, a 7 hour time challenge where you choose laps from a 3 km minimum to ultra distances. Finishers get a medal and festive food and treats at race HQ.

Tackle the Midwinter Mortimer Trail on 27 December 2025, a scenic mixed surface challenge from Ludlow Castle to Kington through forests, limestone tops and ridges. Choose the 30 mile Ultra or the Croft 15 for a memorable winter adventure.

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.

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.

Take on Plain Crazy Winter, a 12.5 mile road and trail challenge on 29 December with hilly, scenic and wintry terrain and a bespoke finisher medal. The race supports the Royal British Legion and entries are limited, so book early.

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

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..