Trail Running Calendar United Kingdom 2026-2027

Welcome to the most comprehensive guide to trail races in the UK for 2026-2027! Our curated list features an impressive 2329 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.

A coastal trail marathon and half marathon finishing in Morston on mainly off road paths, with limited entries and a donation to the East Anglian Air Ambulance. Timing, checkpoints and first aid are provided along the route.

A 23 mile trail race on the Quantock Hills where runners compete against horses, plus a Pegasus Challenge four person relay. The event is in Over Stowey on 19 September 2026 with free parking and an age limit of 14 and over.

A trail half marathon at Lakeland Maze Farm Park on Saturday 19th September 2026, finishing through the maze. Chip timing, aid stations, on-site parking and a cafe. Entry requires participants to be 18 or older and costs £35.

A varied-terrain 10 km race in Arrochar, Argyll on 19 Sep 2026 with chip timing, a finisher medal, and prize categories including local and veteran awards. The route mixes forestry roads, woodland paths and a lakeside pavement with views of..

Ras Pedol Peris is a Classic AL Welsh fell race in Llanberis on 19 September 2026, offering full 28 km and half 14 km routes that visit several Eryri summits including Snowdon. Entries run from 8 April to 17 September 2026.

MacTuffX Watford at Woodside Stadium on 19 September 2026 offers solo, doubles and relay formats combining ten prescribed Xercises with repeated running segments. Entrants must be 18 plus and a LITE weight division is available with live le..

Fan Brycheiniog is a 15.5 km mountain race in Glyntawe with 840 m of climb. The course runs over rough tracks and open fell and requires navigation and competent mountain skills.

Run Wytham Woods offers 5K, 10K and a 1 mile family fun run through Wytham Great Wood near Oxford on September 19th 2026. The event is organised by the Eynsham community with local partners and a sponsor.

Trail races take place at Hambledon Vineyard from 1 km to 20 km, with marked courses and chip timing. The 20 km event is self navigated and carries mandatory kit requirements.

A 11.7 km Category BM fell race at Thropton Showfield in Coquetdale, held during the Thropton country show. Entry on the day only with modest fees, teams of three allowed, and proceeds support Northumberland National Park Mountain Rescue.

Trail runs at Raby Castle offer 5 km, 10 km and half marathon routes through parkland with woodland and lakes, live chip timing, on-site parking and finisher medals.

BigSky is the "Air" event in the Classic Element Trail Series on 20 September 2026 at Hyde Common, New Forest. Routes of 18 miles, marathon and 50k run over marked trails with multiple aid stations, mandatory fluid carriage and a bespoke fi..

A 13.1 miles trail race through Bronte Country near Haworth, organised in support of Sue Ryder, with a hilly one lap course, limited entries, and a pie and peas meal plus a race memento for finishers.

Trail races on bridleways and footpaths around Clipston, offering a half marathon and a roughly five mile country race, village fundraising support, medals and homemade cakes for finishers.

A looped technical trail in the New Forest at Avon Tyrrell Outdoor Activity Centre where runners choose distances on the day from 5K up to ultra-marathon. Laps are 3.28 miles, with an aid table, on-site facilities and medals for finishers.

A weekend running event in Knaresborough on 20 September 2026 offering 10K and Half Marathon routes through scenic Yorkshire countryside. Finishers receive a jumble medal and hot food, with entry available online or on the day.

A marathon and half-marathon along the Ouse Valley Way in Huntingdonshire on 20 September 2026, finishing at Earith on mostly flat grass, gravel and tarmac paths. The races are registered with the Trail Running Association and insured under..

Tackle the Fryup Frazzler in the North York Moors, a scenic 5.8 mile fell run from the Cycle Hub cafe with roughly 475 m of climb. Part of the Esk Valley summer fell series, it mixes tough slopes with rewarding views.

Trail 10K and Half Marathon through Hamsterley Forest on 20 September 2026, with undulating, well marked routes among pines and clearings. Chip timing, a themed medal, free photos and a serviced event village are provided.

A 10 km trail running event at Cannock Chase on 20 September 2026, organized by Wild Deer Events. Entry is listed at £27 and tickets were made available from 18 December 2025.

Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.