Trail Running Calendar United Kingdom 2026-2027

A 5k obstacle event at Southsea Common on 09 May 2026 where participants climb, crawl and slide around a flat route while raising funds for cancer research; facilities include toilets and refreshments and accessibility support is provided.

Scillonian Sprint on St Marys offers two trail distances on 9 May 2026 with a three hour time limit and a start at Porthmellon Beach. Proceeds support local charities and adult finishers receive a commemorative ale and artwork.

A senior fell race on 9 May 2026 at Lupton Fields, Sedbergh School, run under Fell Runners Association rules with a fully flagged route and marshals. Entry is for adults aged 18 and over and the entry fee is £2.

A 12.8 km fell race near Llanberis with 915 m of climb, a ridge route over Moel Eilio, Foel Gron, Foel Goch and Moel Cynghorion, and navigational challenges in poor visibility. Registration is at The Heights Hotel.

A road marathon on scenic low traffic lanes around Halstead, marking its 30th running on 10 May 2026. The event is limited to 500 entries, is part of the Essex Road Running Championships and supports local charities.

A multi distance running event around Naseby in Northamptonshire featuring road and trail sections, landmark views and annually reversing course direction. Distances range from a 10K up to a 35 mile ultra with varied aid and navigation arra..

Road marathon and half marathon from Suffolk Running Centre on measured Kirtling and Windmill routes. Aid stations every 10k, parking included and bespoke finisher medals; the event is cupless so bring your own bottle or cup.

A trail race day at Sutton Bank on 10 May 2026 offering Marathon, Half Marathon and 10k courses with downloadable maps, mandatory safety kit and published ascent and time limits; entries are capped and the event operates a no-refund policy.

Final event of Lakeland Paws Season 4 at Whinlatter with fully marked forest and trail courses. Two options, an 8K summit loop and a 5K shorter route, chip timed and with harnesses available for dogs.

Off-road 10k, 5k and junior runs at Milton Creek Country Park on 10 May 2026. The event supports the Oliver Fisher Special Care Baby Trust and includes medals, prizes, pacers and limited free on-site parking.

A multi-distance running event in Avenham Park, Preston on 10 May 2026, featuring hard-surface loops through local parklands. Distances range from 10K to ultra with a six hour ultra limit; entries capped at 52.

Trail races at Rathfinny Wine Estate on undulating off road loops with marked routes, aid stations and recycled finisher medals. The carbon neutral event supports the WOLO Foundation and offers single and double loop options.

A recce of the Paddy Buckley leg from Nantmoor to Beddgelert Forest over the Hebogs, covering 15 km with 1,580 m ascent in Snowdonia. Small guided groups led by Mountain Leader qualified runners, age 18 plus, entry fee £65.

A self-guided 13-mile run along Letchworth's scenic Greenway trail. This is a run, not a race, due to road crossings. Finishers get a wooden medal and refreshments, with profits supporting a local youth mental health charity.

Trail races in the South Downs around Cocking on 10 May 2026, offering 10 km and 20 km senior courses plus 3 km and 5 km junior races on mostly off road trails with water stations, marshals and age category awards.

A trail event around Dorchester following landscapes linked to Thomas Hardy, with two distances: a five mile Half Hardy Half and a half marathon Original Hardy Half. Mostly off road with notable climbs and an event village at Dorchester Rug..

A multi terrain community event on 10 May 2026 at Dilton Marsh playing field offering 10 km, 3 km and a 1/2 km fun run with medals for finishers, prize categories, water stations and basic facilities.

A fell running event in the North York Moors on 10 May 2026 covering 18.2 km with 950 m of ascent. Entry is on the day for cash only and teams of three are allowed.

Explore the beautiful Chiltern Hills on this guided 30km trail running adventure. Enjoy 500m of ascent through woodlands and ridges with professional run leaders and a finishers medal included.

A 10 km trail run at Symonds Yat in the Forest of Dean with undulating terrain and views of the River Wye. The final 1 km includes a large climb to the finish. Coffee and hot food are available at the start and finish.