Trail Running calendar near Trethomas 2026-2027

The May Hill Massacre is a demanding 7-8 mile cross-country run in Gloucestershire, featuring steep climbs and muddy trails. A longer 14-15 mile Mayhem option is available for those seeking an extra challenge.

Experience a twilight run through Hurn Forest with the Starburster 5 and 10 mile events. This trail race follows an out and back route under the stars and supports Forestry England conservation efforts.

Race through the spectacular winter landscape of Westonbirt Arboretum after dark. Choose from 5km or 10km distances on a solid, road-like trail. Explore over 2,500 species of trees under the night sky.

Exeter Half Marathon and Riverside 5 Miles take runners along the Quayside and Riverside Valley Park in early February. The weekend offers a two‑lap half marathon and a 5 mile race, with finish medals and charity places available with set f..

Run through the stunning Westonbirt Arboretum, home to over 2,500 tree species, on a solid surface perfect for a scenic race. Choose from 5 km or 10 km distances with multiple wave starts for this popular winter event.

A 17 mile self navigated trail run through scenic East Devon. Runners visit four distinct trig points on a course that starts and ends at the Sidmouth Watersports Hub.

A measured 10 mile road race in Melksham with a route through Lacock, a finisher medal and prizes across age categories. The field is limited to 300 places and entries close on 1 January 2027 or earlier if full.

Experience a festive multi terrain run through the hills and mud of East Devon. Choose between ten mile five kilometer or three kilometer routes designed for various experience levels and ages.

Experience a self-navigation trail run along the scenic South West Coast Path with marathon, half marathon, and 10k options. This coastal event features exposed terrain and requires mandatory kit for all participants.

Choose your distance from 5k to Ultra on a tough off road course at Pengethley Manor. Experience vineyard trails with a seven hour time limit and unique medal options for individuals or pairs.

Traverse the remote wilds of Dartmoor in this supported 30 km or 50 km winter challenge. Open to both runners and walkers, the off road route takes you through the most beautiful and rugged landscapes of the North Moor.

Run through the longest underground tunnels in the UK on a historic railway path in Bath. This event offers distances from 500m to an ultra marathon with both flat and hilly route options for all participants.

Experience the rugged terrain of Dartmoor with trail races starting from Widecombe in the Moor. Choose between a 7 mile run, a half marathon, or a 30 mile ultra featuring steep ridge ascents and granite tors.

Celebrate Welsh culture with a flexible seven hour time challenge at Dare Valley Country Park. Run any distance from 3km to an ultra-marathon on well-maintained paths with a full aid station and finisher medals.

Experience a muddy winter adventure on the Community Forest Path around Bristol. Choose between 30 and 45 mile distances featuring chip timing, dedicated pacers, and well stocked checkpoints.

Traverse the majestic Black Mountains of Wales with 10, 20, or 40 mile trail races. Experience forest paths and river crossings on a fully marked course starting and finishing in Crickhowell.

The Imber Ultra is an annual trail run of just over 33 miles organised by Avon Valley Runners and the Rotary Club of Westbury, with route details, checkpoints, results and photos provided by the organisers.

Experience a unique point to point race along scenic canal towpaths from Wolverhampton to Birmingham. Run through the historic Coseley Tunnel and enjoy water stations hosted on traditional canal barges before finishing in Brindley Place.