Trail Running Calendar United Kingdom 2025-2026

Welcome to the most comprehensive guide to trail races in the UK for 2025-2026! Our curated list features an impressive 1339 trail runs across the enchanting landscapes of Scotland, and Wales. From the iconic trails of London's green outskirts to the rugged terrains near Birmingham, from Glasgow's scenic paths to Liverpool's historic routes, we've got every trail enthusiast covered.

Whether you're a seasoned trail runner looking for your next challenge or a newbie eager to explore the world of off-road running, our calendar is your one-stop solution. Dive deep into the details by searching for a specific location or simply browse through to discover new trail runs. Looking for all running events? Check out the complete Running Calendar United Kingdom on running.life.

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..

Enjoy scenic off road laps around Pengethley Manor and its vineyards, with a cheeky hill and rolling ups and downs. Choose distances from 5k to ultra, walk or run at your pace within a seven hour limit and earn a finisher medal.

Take on the 7 Deadly Sins 7in7, a seven day challenge at Pengethley Manor in Ross on Wye from 12 to 18 January 2026. Run or walk varied distances each day on a hilly 2.5 km off road lap and collect a unique medal daily.

The Proud Run at Pengethley Manor on January 13 invites runners and walkers to tackle laps through vineyards and a testing hill, choosing distances from 5 km to ultra. Off road, scenic and inclusive, entrants must finish within seven hours.

Guided 10km trail run at Hankley Common with wide views and a stop at the Atlantic Wall replica. Enjoy a friendly group paced by an experienced coach with kit trials and optional post run refreshment.

Lusty Run at Pengethley Manor invites runners and walkers to tackle scenic off road laps through vineyards and a testing hill. Choose distances from 5k to ultra or take part virtually with a personalised bib and medal.

On 15 January 2026 the Angry Run invites runners to tackle an offroad looped course at Pengethley Manor, choosing distances from 5k to ultra. Expect rolling hills, vineyard trails and a friendly festival atmosphere.

Tackle the Gluttonous Run at Pengethley Manor, part of the 7 Deadly Sins series on 16 January 2026. Pick 5k to ultra and brave a tough off road loop through vineyards with a hill each lap, or opt for the virtual challenge.

Punk Panther Green Gateways offers scenic off road trails around Leeds, starting and finishing in Otley, with distances from 14 miles to a 34.1 mile ultra. Limited to 200 runners, the event features checkpoint support, vegan options and ITR..

UTMB Index

Tackle the Hebden, a challenging winter trail around Mytholmroyd in the South Pennines with 15 or 22 mile routes and over 4,000 feet of ascent on the long course. Run by Halifax Sea Scouts, it includes en route refreshments and a finish mea..

Join the Windmill Way Wander on 17 January in Bury St Edmunds for scenic road running through quaint villages and rolling hills, with distances from 5k to ultra. Limited to 300 entries, the event offers friendly aid stations and a welcoming..

Run the night section from Ambleside to Coniston in this 16 mile recce. For confirmed Lakeland 50 and 100 entrants, it offers real night conditions, checkpoint support and a chance to test kit and pacing.

Run the Maverick New Forest Gravel at Holmsley Campsite, Burley, through ancient woodland with 6 km, 12 km and 22 km routes. Enjoy scenic gravel trails, some mud and short climbs for a true forest challenge.

Run a winter night trail at Haldon Forest Park on 17 January 2026 with 5K, 10K, 10K canicross and fun kids 1K and 2K. Fully marked and chip timed with medals, food, photos and post race beer, so bring a head or chest torch.

The Greedy Run at Pengethley Manor on Saturday 17 January 2026 invites runners and walkers to choose from 5k up to Ultra on an offroad loop through vineyards and rolling hills. Race day has hot drinks, food, free parking and a finisher meda..

Join a guided recce of the Hardmoors 55 route from Osmotherley to Helmsley, about 25 miles across classic North Yorkshire moorland. Small supported groups, checkpoints and hot drinks on arrival make this a great winter training day.

Take on the Stanbury Splash, a hilly 12 kilometre fell race around Haworth with stream crossings and moorland views. As the Woodentops series finale entries are limited so book now for a proper Yorkshire challenge.

Join Ryde Harriers for a three race cross country series at Smallbrook Stadium in Jan and Feb 2026, with a testing 10 km course and a 6.5 km youth option. Expect varied terrain, team trophies and friendly club racing with limited entries.

Take on the Riverbank Rollick a scenic 9.6 mile off road trail run along riverside paths, through woodland and a stream crossing. Earn a metal finisher medal that links to two other Thornbury Running Club races for a collectable series.

The Cardiff Trail 10k is an exciting running event set against the stunning backdrop of Castell Coch. Scheduled for January 18, 2026, this newly introduced race offers participants a unique blend of competition and natural beauty, making it..