Trail Running calendar near Thornbury 2025-2026

Explore the scenic Sid Valley Ring on a challenging coastal and woodland course offering 22 km and 13.5 km routes with big climbs, muddy trails and stunning views. Fully marked with aid stations and a solid oak coaster for finishers.

Run a scenic point to point 50 mile ultramarathon from Taunton to Minehead, flat early then coastal and undulating through marshes, beaches and the Quantocks. Well supported but cupless so bring a bottle or cup.

Tackle a rugged 50 miles ultra across West Somerset coast, moorland and woodland with dramatic climbs and the tiny Culbone church. Six aid stations, GPX route and medical cover support a 16 hour cutoff for experienced runners.

The Westcountry Ultra 100 Miler on 9 to 10 May 2026 takes runners along scenic canal, river and coastal trails in Somerset on a challenging 100 mile route with about 9,500 ft of climbing. With a 32 hour cut off, cupless aid and pacers allow..

Experience rugged Exmoor trails from Martinhoe with 10K, half, marathon and ultra routes across moorland, cliffs, woods and river crossings. Fully marked course, timing and finishers medal make it a scenic challenge for all abilities.

The Goring Gap Trails event, held in Mapledurham near Reading, offers a variety of running and walking challenges, including a 50-mile ultra, a 52K ultra, and a half marathon, alongside walking options of half marathon, full marathon, and a..

Tackle the Epona 100, a 100 mile ultra with 17,000 ft of climbing across Offa’s Dyke and the Beacons Way. Starting and finishing in Abergavenny, the mostly trail route offers eight aid stations and a 50 hour cutoff.

Tackle a scenic 40 mile Ridgeway walk or run from Avebury to Streatley, crossing the rolling chalk downlands of Wiltshire, Oxfordshire and Berkshire. Limited to 250 entrants, this classic May event blends challenge with stunning countryside..

9 May 2026 in Church Stretton the Apocalypse Ultramarathon offers 10 to 50 mile options across four rugged loops totalling about 50 miles and 10,000 ft of ascent. Single HQ support and on site food keep runners moving but entries are full.

Run through the Dorset landscape that inspired Thomas Hardy with a challenging trail half marathon or a 5 mile option. Start and finish at Dorchester Rugby Club with on route entertainment and an event village raising funds for local causes..

Join the Dilton Dash on 10 May 2026 at Dilton Marsh for scenic multi terrain 10K, 3K and 1/2K fun runs supporting village causes. Expect stiles and gates, medals for all finishers and prizes for winners.

Join the Scorpion Run on 10 May 2026 at Symonds Yat Rock for a scenic 10k trail through the Forest of Dean and Wye Valley with riverside views. Expect gravel tracks and a tough final 1 km climb to the cafe finish with coffee and hot food.

Join Hairy Legs on 10 May for a rugged cross country across two undulating woodland laps with a few final field challenges. Every entrant gets a t shirt, a free beer or soft drink, a post race BBQ and a prize for best dressed.

Enjoy a scenic one lap 10k through bluebell woods, undulating hills and open common in Surrey at Hampton Estate and Puttenham Common. Chip timed with bespoke 2026 medals, a friendly finish village and superb views.

Take on the Caradoc Classic, a scenic 3.5 miles fell race from Church Stretton climbing about 268 m. Part of the local Summer Series, this friendly community event includes junior races and on the day entries.

Join the Dinton 5km and 10km Summer Series at scenic Dinton Pastures for four monthly, flat off road laps from May to August. Family friendly with a 2 km kids race, medals, water and post race treats including an ice cream van.

Take on a classic 50 mile point to point ultramarathon along the North Downs Way from Farnham to Knockholt Pound, with rolling chalk ridge trails, the climb of Box Hill and about 1,700 m of ascent. Scenic, mostly trail and a true endurance..

Run the iconic Jurassic Coast from Corfe Castle to Bridport, passing Durdle Door, Lulworth Cove and Weymouth. Choose distances from 10 km to 100 km and tackle a one or two day challenge with full support and a finishers medal.

Run the OTT Marathon or 10 Mile through the Brecon Beacons from Parkwood Dolygaer on 16 May 2026. Tackle Pen Y Fan and Talybont Reservoir on a looped course with aid stations and finisher goodies including a coaster and buff.

Face the True Grit Trail Marathon on 16 May 2026 in Bridgend, a 26.2 mile adventure across mixed terrain, quarries and the notorious Mount Mayhem. Limited to 50 places, with a marked route, five aid stations and a bespoke finisher medal.