Trail Running calendar near Glastonbury 2025-2026

Epona 100 is a bold 100 mile trail race from Abergavenny that links Offa's Dyke, the Cambrian Way and the Beacons Way across roughly 17,000 ft of ascent. Expect rugged trails, aid station support and a generous 50 hour time limit.

Take on the Tenacious Ten Hour Endurance Challenge, a timed mountain loop at Mynydd Troed in Powys with steep climbs, technical downhills and scenic trails. Solo, pair or four person teams aim to log as many laps in 10 hours.

Run the Sid Valley Ring Half or Third Marathon on 9 May 2026 and soak up coastal, woodland and country lane scenery. Choose 22 km or 13.5 km, expect hills and mud, and help maintain the trail with your entry.

Take on Endurancelife Exmoor on 9 May for sweeping moorland, cliffs and wooded combes with routes from 10K to an Ultra, featuring stiff climbs and stunning coastal views. Fully marked courses, electronic timing and a finishers medal make it..

Join the Ridgeway 40 on May 9 2026 for a scenic 40 mile walk along the Ridgeway across chalk downland. Limited entries and checkpoint support make this a rewarding challenge for prepared walkers.

Join the Hardy Half in Dorchester for scenic trail running with a 5 mile option or a challenging half marathon with about 1400 ft of climbing. Finish at Dorchester club where an event village, entertainment and local fundraising await.

Take on the True Grit Trail Half Marathon on 16 May 2026 for a gritty 13.1 mile test across quarry sections, forestry trails and the scenic Bedford Park. With 50 places available this muddy, wild route rewards finishers with a bespoke medal..

Run or walk the stunning Jurassic Coast from Corfe Castle to Bridport, passing Durdle Door, Lulworth Cove and Chesil Beach. Distances from 10 km to 100 km with full support, camping options and a finisher medal.

Take on scenic off road trails around Roadford Lake with half marathon, 10K, 5K plus canicross and short kids races. Family and dog friendly event with medals, finish snacks and post race beers.

Join the Semington Slog on 16 May 2026 at St Georges School for 10k and 2k routes through the village and along the Kennet and Avon Canal towpath. Family friendly fun with marshalls, refreshments and a Slog Dog for every finisher.

Explore coastal and woodland trails at the private Flete Estate in Mothecombe, South Devon, including estuary shoreline and a beach crossing to Burgh Island. Choose 8.5 mile, 15 mile or almost 29 mile routes and earn a bespoke medal.

Run the scenic Berkshire Downs at the Compton Downland Challenge on 16 May 2026, with 26.8 mile or 16 mile trail options along the ancient Ridgeway. Expect climbs, muddy paths, aid stations, chip timing and a hearty post race BBQ.

On 16 May 2026 choose the OTT Trail Marathon or 10 Mile in the Brecon Beacons, tackling Pen Y Fan and rugged upland trails. Expect epic views, testing climbs and a friendly finishers vibe with a coaster and buff for everyone.

Event overview Rocky at 50 Run - Wales is a 7 hour time challenge held at Dare Valley Country Park in Aberdare. Runners may choose their own distance during the event, with a minimum official finish distance of 3 km. Finishers who complete..

Dartmoor Prison Break is a timed escape challenge from HMP Dartmoor where participants pick their own route to travel the furthest across the moor in 6, 12 or 24 hours. GPS tracked by Dartmoor Search and Rescue, all finishers get a medal.

Run the scenic Southampton Common, winding through woodland, ponds and parkland with half marathon, 10K, 5K and junior races. Enjoy marshalled routes, a lively event village with food and partner stalls and optional event T shirt.

Run the Brecon Beacons at Midnight Mountain Marathon on June 6, 2026, starting in daylight and finishing under the stars, so some may need a torch. Take part in Marathon, Half Marathon or Bergen pack races and earn a medal and a mug of tea.

Tackle 40 miles of the Wales Coast Path from Porthcawl to Penarth, passing golden beaches, cliffs and Ogmore Castle. No time limits and strong support let you relax and earn a Pegasus medal.

BigSea Trails (WATER) is a trail running event held on the Isle of Purbeck, Dorset, starting and finishing on the sandy Knoll Beach at Studland. Part of the Classic Element Trail Series, this race celebrates the element of water with routes..

Run through two lit railway tunnels beneath Bath on routes from short fun runs to ultra distances. Starts and finishes at family friendly Brickfields Park and each entry supports Sustrans, making it a memorable community day out.