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 1228 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.

Gower Peninsula Ultra Challenge takes place on the Gower Peninsula in South Wales, Britain’s first Area of Outstanding Natural Beauty. Distances include 100km, 50km, a marathon (42km), 25km and 10km. The route is a figure‑of‑eight, with western and eastern loops that reveal the peninsula’s beaches,..

St Sunday Sky Race takes place in the Lake District, based around Patterdale. The 29km route with about 2050m of ascent threads over St Sunday Crag and surrounding Eastern Fells. Marketed as a classic SkyRace and a stepping stone to harder events, it offers a challenging but accessible introduction..

The Cider Challenge Solo is a 12-hour trail-running event held on a privately owned farm in Dorset (Myncen Farm, Minchington, Blandford Forum, DT11 8DH). Designed for solo runners, with the option to enter as part of a team, participants have 12 hours to run or walk as many laps as they can. The und..

Welsh 3000 Challenge (14 Peaks) is a Snowdonia mountain challenge organized by Climb South West, based near Capel Curig. The route climbs all 14 peaks over 3000 ft in a continuous journey, with iconic stops such as Snowdon, Crib Goch, and the Glyderau and Tryfan, finishing through the Carneddau rang..

Dawn Two Dusk takes place at Bridgend Miniature Railway in Bridgend, South Wales (Fountain Road, Aberkenfig, Tondu CF32 9BZ). The event offers three 10-mile routes that participants complete as many times as possible within a 12-hour period, starting at dusk and finishing at dawn. The mixed-terrain..

The Rab Pinnacle Ridge Extreme will take place in Patterdale on Saturday 18 July 2026. You can run 28 kilometers.

Place Fell 15 is a semi-technical 15 km trail race around Place Fell on Ullswater, Lake District. Part of the Rab Helvellyn Sky Ultra weekend, the course is fully marked and circumnavigates Place Fell in an anti-clockwise direction, starting from King George Playing Field in Patterdale. The route in..

Winwick Hall Trail Races take place at Winwick Hall, Winwick, Northamptonshire. The event includes three distances: 10k 5k 2k (children’s fun run) Entry fees are listed as £20 for the 10k, £15 for the 5k, and £8 for the 2k. Minimum ages on race day are 16 for the 10k, 12 for the 5k, and 4 for the..

BigHeat Trails (FIRE) is the third event in the Classic Element Trail Series, held at Rother College in Midhurst, Surrey. Inspired by the element of fire, this trail running event offers two challenging single-lap distances: a marathon and a 16-mile run. The course features winding dusty tracks, sun..

The Bell Plod is a friendly, relaxed trail run/walk organised by Running Events Devon, held at Myncen Farm in Minchington, Blandford Forum, Dorset. The one-lap course runs on a privately owned farm, by permission of the owner, weaving through fields, grass, wildflowers, crops and dusty tracks for an..

Apple Plod 10K.ish, organized by Running Events Devon, is a 10-kilometre trail race set on a privately owned farm at Myncen Farm, Minchington, Blandford Forum, Dorset. The undulating, two-lap course runs through fields, grass, wildflowers, crops and dusty tracks, offering a relaxed, fun trail atmosp..

ON TOUR - The Bumble Plod is a relaxed, family-friendly trail event organized by Running Events Devon. It takes place at Myncen Farm, Minchington, Blandford Forum, Dorset. The course is a single lap through privately owned farmland, including fields, grass, wildflowers, crops, and dusty tracks, desi..

Climb South West offers a professionally guided, fully supported Paddy Buckley Round across Northern Snowdonia over three days. The route visits 47 peaks on a loop of just over 100km with about 9,000m of ascent. In small groups, runners cover up to 40km per day under the instruction of an experience..

Zig Zag Running hosts the Great Barrow Challenge at the Suffolk Running Centre, Church Road, Bury St Edmunds, IP29 5AX. This 10-day, individual event offers multiple distances — 5k, 10k, half, full and ultra — with Day 1 featuring the Denham Flats route. Runners can set their own pace across flat an..

Great Barrow Challenge - 10 events in 10 days is hosted by Zig Zag Running at the Suffolk Running Centre, Church Road, Bury St Edmunds, IP29 5AX. This exclusive multi-day challenge offers ten daily routes ranging from 5k to ultra distances, with each day presenting a different course: Denham Flats (..

Race The Light at Wendover Woods, organized by Runaway Racing, is held at Wendover Woods, Upper Icknield Way, Wendover HP22 5NQ. Runners can tackle a 10K (250m+ ascent) or a 5K (125m+), plus a 1.5K accessible loop for wheelchair users. The entirely woodland course stays on Wendover Woods trails with..

The Montane Lakeland 50 & 100 is the UK’s premier ultra-trail event in the Lake District. The Lakeland 100 is a 100-mile circular starting and finishing in Coniston, looping through Dunnerdale, Eskdale, Wasdale and Buttermere, then Keswick, Matterdale, Haweswater and back via Kentmere, Ambleside and..

Beacons Way Ultra 100 Mile is a rugged ultra race across the Brecon Beacons National Park in Wales. Starting from Abergavenny Castle, the route follows the Beacons Way for about 100 miles with around 6,143 metres of ascent and 250 entrants. Runners tackle ten checkpoints, iconic peaks including Pen-..

Tywardreath Trotter is a 7-mile multi-terrain race with a 1-mile fun run, staged in Tywardreath, Cornwall, on a Saturday evening as part of the village Summer Fete. The race starts and finishes at the New Inn and weaves along a mix of footpaths, bridleways and quiet country lanes, with about half th..

Punk Panther Takes the Hindmost is an ultramarathon-style elimination race around the Swinsty and Fewston Reservoirs, starting from the Swinsty/Fewston Car Park in North Lane, LS21 2NP. Runners complete 10 km loops, with four qualifying laps on a 10.5 km trail before eliminations begin. After each l..

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