Trail Running Calendar United Kingdom 2026-2027

A 50 km out and back ultramarathon along the Ayrshire Coast starting and finishing at Irvine Beach, running across beaches, promenades and trails from sunset to sunrise. Aid stations at 12, 25 and 37 km with a drop bag option at 25 km.

A 3.6 km off-road trail around the grounds of Sledmere House presented alongside the Sledmere Sunset Trail 10K. Chip timing and a finisher medal are provided; a free 500 m fun run is available for young children.

A timed riverside event on a 5.3 km out and back Thames course where runners choose how many laps to complete within a seven hour limit. Ten pound entry supports the Rays of Sunshine charity and a double sided medal is awarded.

A measured 5 mile chip-timed race from CS Lewis Square that follows the Connswater Greenway into Victoria Park and back, on mixed road, trail and grass surfaces.

A mountain running event in the Central Lake District covering 38 km with 2800 m ascent on technical single track and scree. The course includes Lanty Slees Stickle Barn, a summit of England s highest mountain and a 12 hour limit.

A trail event from Otley with 50 km ultra, 25 km super and 16 km sprint options on public footpaths, marked routes, manned checkpoints on some distances and mandatory kit requirements.

An evening marathon that follows canals, waterfalls, vineyards, woodland and coastal saltmarshes, running from early evening into the night. Registration for the 2026 edition is closed.

A 44 mile coastal ultra on 6 June 2026 from Lizard Point to Land's End along the South West Coast Path. Entries are solo or teams of two or four; the 2026 event is sold out and a waitlist is in place.

A 56 mile trail race on the Southern Upland Way from St John's Town of Dalry to Moffat with 2447 m of ascent, 400 places and a 20 hour cut off. Mandatory kit, GPS tracking and checkpoint checks are required.

A 104 mile race along the Southern Upland Way from St John’s Town of Dalry to Galashiels with 4611 m ascent, 250 places, 38 hour cut-off, UTMB/ITRA points and live GPS tracking via GB Race Tracker.

A technical 21 km trail run with 850 m of ascent around Great and Little Langdale, based at Lanty Slees Stickle Barn. Part of the Rab Scafell Sky Race weekend, the event features marked trails, a seed bomb medal and live music.

Based at Kendal, this Lake District event centers on a roughly 100 km loop via Garburn Pass and Lake Windermere, with shorter distances available. Covered rest stops, medical teams, GPS tracking and camping options are provided.

A trail running event at Guisborough Rugby Club offering 40 km and 60 km options plus a 60 km relay. Profits are donated to Teesside Samaritans and the routes were updated from 2025.

Coastal trail races along the North Devon and Cornish clifftops offering ultra, marathon and sixteen mile courses, marked and marshalled with first aid and bespoke finisher medals.

A backyard ultra at High Lodge Thetford Forest where runners complete a 4.167 miles loop each hour until one person remains. 6 and 12 hour timed options are available; the open event uses chip timing and offers a £500 prize.

A 50 mile linear ultra across the South Pennines visiting six carved Stanza Stones and Haworth village, with over 6800 ft of ascent, live tracking, indoor food checkpoints, camping and finishers mementos.

A 31 miles ultra around Loch Lyon and into Glen Lochay with about 3,500 ft of ascent. The mostly off road route includes several river crossings, multiple water checkpoints and mandatory kit requirements.

A 40 mile coastal ultra on 6 June 2026 from Porthcawl to Lavernock Point along the Wales Coast Path, featuring beaches, cliffs and Ogmore Castle, with three staffed checkpoints and no formal time limit.

An inflatable obstacle-course fun run in Lincoln on 6 June 2026 with lap options of 2.5k, 5k, 10k and 15k, music zones and multiple inflatable obstacles. Family, group and charity discounts are available, plus volunteer benefits.

Glentress 8 Hour Challenge is an 8 hour running event at Glentress on 6 June 2026 organised by NU Limits Running. Registration for this edition closed on 3 March 2026.