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 1504 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.

Take on The Tour of Bradwell The Other Half, a challenging fell race in the Peak District starting and finishing at Bradwell Sports Club. Expect a long high ground route with big climbs and a lively mass start atmosphere.

Pendle Cloughs fell race on Saturday 9 May 2026 in Downham near Clitheroe is a tough 14 mile route with 1250 m of ascent across classic Lancashire fells. Entry capped at 400 with limited on the day places so book early via SIEntries.

Take on the classic Fairfield Horseshoe fell race in the Lake District on 9 May 2026, starting and finishing at Rydal Hall. This scenic but demanding 14.5 km course climbs 914 m, offering epic views and a tough fell running challenge.

Celebrate the 30th Halstead & Essex Marathon in May 2026, a scenic road race through rolling hills, woods and farmland around Halstead. Expect low traffic roads and friendly club support for a classic Essex running challenge.

Shires and Spires is a scenic loop in Northamptonshire offering distances from 10K to an ultra 50K, running past grand country houses and village trails. Expect mixed terrain, GPX navigation and a friendly village hub start and finish.

Run the Zig Zag Marathon or Half at Suffolk Running Centre, Bury St Edmunds, over scenic mildly undulating road routes. Limited to 300 entrants, with on course aid and a bespoke finisher medal.

Take on the Hardmoors 26.2 White Horse Trail at Sutton Bank on Sunday 10 May 2026 with marathon, half marathon or trail 10k options. Rugged, partly unmarked routes demand route finding and mandatory kit for a proper trail challenge.

Join the Lakeland Paws Whinlatter Double Header at Whinlatter on 10 May 2026 for summit runs to Seat How. Forest trails welcome runners with or without dogs in this lively season finale.

Tackle the Oliver Fisher 10k, 5k or junior run on the off road trail at Milton Creek for a scenic Kent run, with a bespoke medal and photos. Proceeds support the Oliver Fisher Special Care Baby Trust and Medway neonatal unit.

Run scenic loops through Avenham and Miller Parks along the River Ribble at the Avenham Amble, with distances from 10K to an ultra and post run goodies plus a bespoke finisher medal. Limited to 100 entrants for a friendly festival atmospher..

Run through the scenic Rathfinny Wine Estate vineyard on a challenging off road 10.7 km loop or double it for a 21.4 km half marathon. Carbon neutral event supporting the WOLO Foundation with free charity places and recycled medals.

Join a guided recce of the Paddy Buckley leg from Nantmoor to Beddgelert in Snowdonia. This 15 km, 1,580 m ascent route is run in small groups led by experienced Mountain Leader qualified guides for a scenic, challenging day.

Take on the Greenway Challenge in Letchworth Garden City: a self guided 13 mile clockwise run starting and finishing at Standalone Farm. Enjoy marshalled crossings, a wooden medal, and cake at the finish while supporting Headway Herts.

Take on the Midhurst Milers Cocking 10k, a hilly, scenic trail across the South Downs featuring steady climbs and a fast downhill finish. Limited online entries make this a must book for trail lovers chasing views and a rewarding run.

Join the Hardy Half in Dorchester for scenic trail running with a 5 mile option or a challenging half marathon with about 1400 ft of climbing. Finish at Dorchester club where an event village, entertainment and local fundraising await.

Join the Dilton Dash on 10 May 2026 at Dilton Marsh for a friendly community run supporting local causes. Choose 10K, 3K or a half kilometre fun run on scenic multi terrain paths, enjoy on site refreshments and a finisher medal.

Tough, scenic fell race in Bilsdale, North York Moors on Sun 10 May 2026. About 11.3 miles with 950 m of climb across classic moorland terrain. Enter on the day; expect limited parking so please car share.

Trunce 3 at Oxspring Playing Field on Mon 11 May 2026 offers a scenic but hilly 6.2 km senior race with 190 m of climb in the Peak District. Entry on the day is £3 with a 3 km over 10 junior race included, part of an eight race series.

Take on the classic Latrigg fell race in Keswick, Lake District on 13 May 2026, a short but steep 3 mile climb with great views. Entry is available on the day for a small fee on a fully flagged route for runners aged 13 and up.

Take on the Caradoc Classic, a scenic 3.5 miles fell race from Church Stretton climbing about 268 m. Part of the local Summer Series, this friendly community event includes junior races and on the day entries.