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 2223 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 roughly 5 mile trail race through Haldon Forest Park near Exeter that includes a hillclimb championship and prize categories, is cupless with water stations, and will donate a share of profits to St Petrock's. Entrants must be 18 or older..

Race 2 of the Orion Harriers Forest Five series takes place on 04 July 2026 at Jubilee Retreat as part of a three-race series with age-category aggregate trophies and prizes for individual and team placings.

An evening trail event on 4 July 2026 based at the Fox Inn in Ansty, Dorchester with a 10k course and 220 m of elevation, venue music and food, accommodation options, finisher medals and trophies to third place male and female.

A muddy obstacle 5k at Kempton Park Racecourse on 4 July 2026 featuring climbs, crawls and slides with staggered wave starts. The event includes free on-site parking, nearby train and bus links and a minimum fundraising target.

Pretty Muddy 5k at Mote Park in Maidstone features a muddy obstacle course around the lake with some steep inclines. Participants aged 13 and over receive fundraising support, event materials and a medal on completion.

Pretty Muddy 5k at Heaton Park is a 5 km obstacle course across grass, paths and woodland with climbing, crawling and muddy slides. Participants must be 13 or older; facilities include toilets, refreshments and event parking.

A 24 hour track challenge in Nuneaton where participants run one mile at the same time each hour for 24 consecutive hours. The event offers clubhouse and around the clock toilet access, a daytime cafe, limited places and a P24 finisher meda..

A fell race of 8.7 km with 700 m ascent around Moel Siabod, partially marked and requiring navigation. Entry on the day is £5 and junior races are included as part of the Capel Curig Village Festival.

A fully supported, waymarked 100‑mile ultramarathon from Bamburgh toward Edinburgh with a 48 hour completion window, no qualifying times, professional medical cover, staffed Pit Stops and organised drop bag and sleep station options.

On a Plod MCR on 4 July at Steel Foundry CrossFit in Salford Quays is an inclusive backyard ultra on a 3 km loop. Participants may start anytime within a five hour window and run as many laps as they choose with live tracking and awards.

A short historic fell race run mainly on footpaths around the showfield with a small road crossing. The course is 1.5 miles with around 400 ft of ascent and accepts day entries for seniors and juniors.

An outdoor Tough Mudder obstacle event at Belvoir Castle organised by Islamic Help, offering 5K and 10K course options and a mandatory minimum fundraising target of £250. Open to participants aged 14 and over.

A volunteer-run running event in Willingham, Cambridgeshire with chip timing on flat country roads, footpaths and bridleways. Distances include 10 km and 6.5 km and children's races follow the main events.

A 21.1 km off-road race on The Ridgeway between Wendover and Princes Risborough with 526 m of ascent. Fully marked route, two aid stations, TRA licence and a four hour time limit; open to runners aged 17 and over.

Looped trail event in Masham on 5 July 2026 offering 3 hour and 6 hour options where runners complete as many laps as they can within the time limit. Trail and road terrain, feed stations, marshals, a bespoke medal and post race treats.

The The Bishop's Stortford Mitre 10k will take place in Much Hadham on Sunday 5 July 2026. You can run between 5 and 10 kilometers.

A 10 km (6 miles) fell race around Great Hucklow that crosses the Dark Peak and White Peak, run over varied upland terrain. The event is organised by local volunteers and finishers receive a flapjack at the finish.

A trail half marathon around Lyme Hall and the Gritstone Trail, with a fully marked route, two aid stations, electronic timing and parking included in the £36 fee. Finishers can choose a medal or a tree planting option.

Forest races on hilly woodland trails in Cannock Chase offering a half marathon and a 10k in a summer schedule, with route maps, parking on site, a bespoke medal and free photographs.

Two off road races around Bewl Water on 5 July 2026 organised by Wadhurst Runners. The 15 mile route includes the nature reserve and a four hour time limit; finishers receive a medal, t shirt and refreshments.

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