Trail Running calendar near Glastonbury 2025-2026

We have found 272 Trailruns within 80 miles of Glastonbury. See below where and when you can find the races.

Take on the RIDUM 30 mile trail ultra around the ridge tops near Cardiff, with about 4,252 feet of climbing and sweeping south east Wales views. Enjoy fully stocked checkpoints, race crew support and a finisher medal.

Dartmoor In A Day on 5 September 2026 is a supported cross country challenge across wild moorland with sweeping views to the sea. Choose 50 km or 30 km routes open to runners and walkers with checkpoints and navigation support.

Take a guided 30 mile run along the dramatic Jurassic Coast, passing Corfe Castle, Kimmeridge Bay and Old Harry Rocks. This hilly, non competitive adventure is ideal for experienced trail runners seeking scenic, supported miles.

Enjoy a scenic riverside run in Ross on Wye with 5K and 10K chip timed races plus a 500 m fun run for kids. Flat multi terrain routes may include grass and mud, every finisher gets a medal and prizes await top finishers.

Experience the Isle of Wight Fell Race Series in Ventnor on 12 and 13 September 2026, with three scenic, challenging races from a 3.8 km junior climb to a 21 km classic. Organized by Ryde Harriers, the weekend hosts the SEAA Fell Running Ch..

Take on southern Dartmoor in this 10.5 mile trail challenge with over 550 metres of ascent and a dramatic volcano climb. Limited to 250 runners, the route features river crossings, bogs and sweeping moorland views.

The Relentless is a looped ultra near Bridgend on 18 September 2026 with 50 mile and 100 mile options over repeated 10 mile laps and big climbing. Limited to 25 runners per distance, the race features a well stocked hub for aid and crew.

Run the Cotswold Way Century, 102 miles of scenic, very hilly trail from Chipping Campden to Bath. Take up to 32 hours with aid stations, live tracking and a buckle for finishers.

Chiltern Wonderland 50 is a single loop 50 mile trail from Goring on Thames that tackles 5,600 ft of climb along the Ridgeway and Thames Path, promising a tough and scenic day in the Chiltern Hills. Well marked course and five aid stations..

UTMB Index

Run a scenic 47 mile route from Chipping Campden to Painswick along the Cotswold Way, with rolling hills and varied trails. Support stations, live tracking and a finishers medal help you tackle the 15 hour challenge.

UTMB Index

Push your limits in the Trails & Tarmac Backyard Ultra near Crickhowell in the Black Mountains, running a roughly 4.2 mile loop that starts every hour. Be the last to complete a full loop to win and hit 32 miles to claim an ultra medal.

BigSky Trails concludes the Classic Element Trail Series, sending runners from Hyde Common across open plains and winding New Forest trails with wide horizon views. Choose 18 mile or marathon and take a bespoke medal or opt for a tree.

Experience Cranborne Chase from Salisbury Racecourse on scenic undulating trails. Choose marathon, half marathon or 10k along ancient droves and woodland tracks, with parking, showers and a medal for every finisher.

Race scenic trails at Margam Country Park with castle views on a 5K or 10K loop. Fully marked and marshalled with chip timing, water stations and a finisher medal, ideal for new and experienced runners.

Run through ancient woodland in the Forest of Dean at the Autumn Half Marathon starting and finishing at Speech House. This scenic 13 mile trail on well marked tracks supports local charities and awards a medal to every finisher.

October 2026

Run the Dartmoor Way on 2 3 October 2026 with the Full Circle 100 or Granite 50, two rugged trail races across moorland, woods and green lanes. Big climbs, indoor checkpoints and a true off road challenge for experienced runners.

Run to the Sea Bournemouth is a scenic 50 km point to point ultramarathon that threads forest trails and coastal paths to a seafront finish at Hengistbury Head. Enjoy a fully signed route, regular feed stations and a bespoke medal on 3 Oct..

UTMB Index

Tackle Dartmoor with the Full Circle 100 or the rugged Granite 51 mile eastern loop across Dartmoor National Park. Expect waymarked moorland, woodland and riverside trails, strong on support with GPS tracking and finishers medals.

Run a scenic multi terrain 10 mile course through Stover Country Park and Teigngrace, mostly off road, at Stover School, Newton Abbot on Sunday 4 October 2026. Limited to 325 entries and includes a 1 mile fun run and bespoke finisher medals..

Wild Run Cotswolds invites trail lovers to Cornbury Park for scenic, undulating single loop routes from 10K to the marathon plus a six hour 360 challenge. Family friendly, fully marked and marshalled, entries limited to 600 runners.