Trail Running calendar near Thornbury 2026-2027

Trail running event at Martinhoe in Exmoor National Park on 8 May 2027 with 10K to ultra distances across moorland, woods and coastline. Points from each finish count toward the Endurancelife season leaderboard.

Multiple trail race distances in the Stroud area using towpaths, disused railway tracks and Cotswold hills, with a route that ascends to Selsley Common for wide valley views. Water, marshals and first aid are provided on course.

Obstacle course races in Henley on Thames on May 15 and 16, 2027 include a 5 km Sprint, 10 km Super and 21 km Beast. The course runs through historic town landmarks and along riverside sections.

A measured 50 km route from Telford Town Park to Shrewsbury that passes historic sites such as Ironbridge, Buildwas Abbey and Wroxeter Roman City. The event features chip timing, five nutrition stations and a bespoke finish medal.

A 50-mile point-to-point ultramarathon on the North Downs Way from Farnham to Knockholt Pound with about 5,600 ft of ascent, six aid stations, medical support and a 13 hour cutoff.

A coastal multi-distance trail event on the Jurassic Coast from Corfe Castle to Bridport with options from 10 km to 100 km, marked routes, regular rest stops, GPS tracking, medical support and camping.

Several distances are available: 5k, 10k and 20k routes around Deddington. The event is open to all ages and organised to raise funds for Deddington Primary School PTA, Deddington PFSU and the Firefighters Charity via Deddington Fire Statio..

A 10k trail run at Symonds Yat with riverside views and a notable final one kilometre climb. The mostly off road course includes long gravel firetracks and on site coffee and hot food.

Trail runs and walks near Reading at Mapledurham House on 22 and 23 May 2027, with waymarked routes along the Thames, multiple distances, support stations, online tracking and on site camping.

Trail running from Sudeley Castle through the Cotswold Way and Winchcombe Way with five route options from 7 km to 50 km, GPX routes, fuel outposts, free parking and a metal finishers medal.

An inflatable obstacle-course fun run at North Somerset Showground on 22 May 2027 offering 2.5 km to 15 km options, repeating inflatable obstacles each lap, music zones, finisher medals and on-course water.

A single-lap *50 km* multi terrain ultra in Maidenhead on May 22 2027, mainly off road along the Thames Path, Jubilee River and the Green Way. Four aid stations, chip timing, live tracking and on-course nutrition support.

Margam Wild Trail Runs at Margam Country Park on 23 May 2027 offers 5 km, 10 km and half marathon trail routes, is canicross friendly, uses live chip timing, and provides medals and post-race refreshments.

A 5 km obstacle event at War Memorial Park on 23 May 2027 where participants climb, crawl and slide across mixed grass and path terrain; entrants must be 13 or older and a minimum fundraising target of £50 applies.

A 10 km trail run at Marlow Rugby Club, part of the Ales & Trails series, on mixed off-road terrain beside the Thames, with medal, pint cup and a free Rebellion drink at the finish. The event was listed as full.

A multi-stage event at Dare Valley Country Park where runners complete five Pure distances within 24 hours, with separate and combined results. Distances include 5k, 10k, 50k, half marathon and marathon.

A fully supported trail running event in May 2027 along the way-marked Heart of Wales Line Trail from Llandrindod Wells to Craven Arms, offered in **50 miles**, **26 miles**, and **16 miles** distances.

Three trail races (50, 26, 16 miles) follow the final sections of the Heart of Wales Line, finishing at the Shropshire Hills Discovery Centre, with baggage transfer and varying checkpoint support by distance.

The Pretty Muddy 5 km obstacle course at Baiter Park, Poole on 29 May 2027 runs across grass and tarmac with staggered wave starts every 15 minutes. Participants must be 13 or older and there is a minimum fundraising target.

A 60 km point to point ultramarathon on the Ridgeway National Trail from Ivinghoe Beacon to Ridgeway View Campsite, with about 1000 m of ascent, four checkpoints, open tracking and a 150 runner limit.