Trail Running calendar near Crickhowell 2025-2026

Tackle The Relentless in Bridgend, a tough looped ultra on 18 September 2026 offering 50 miles (5 loops) or 100 miles (10 loops) with big support, crew zones and drop bag access each lap. Limited to 25 runners per distance so book early.

Run the Cotswold Half Way is a 47 mile nonstop trail race along the Cotswold Way from Chipping Campden to Painswick, offering classic rolling countryside and a true ultra challenge. TRA licensed and run under UK Athletics rules, the event s..

Tackle the iconic Cotswold Way Century, a 102 mile single stage trail from Chipping Campden to Bath across rolling hills and varied terrain. You have 32 hours to earn a buckle while enjoying live tracking, aid stations and full GPX support.

Run the Pumsaint trail half marathon in Llanwrda, a scenic, hilly route through the Cothi valley that rewards effort with great views. Held each September from Pumsaint Village Hall, it is a perfect challenge for trail lovers.

Run the stunning Gower Coastal Trail Races on 26 September 2026, with 23, 34 or 50 mile options along dramatic cliffs, beaches and charming fishing villages. Chip timing, checkpoints and post race facilities make this a must do coastal chal..

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.

Race on the Chase features marathon, half marathon and 10k routes across rolling chalk downland, woodland and ancient sites in Martin Down, finishing at Salisbury Racecourse. Every finisher gets a medal and the top three men and women win t..

The Wild Run - Cotswolds will take place in Charlbury on Sunday 4 October 2026. You can run between 10 and 42 kilometers.

Run a scenic and rugged half marathon through the Quantock Hills, featuring rolling climbs, forest trails and open moorland. Enjoy on course support, a finishers medal and a festival vibe with camping, pizza and nearby pubs.

Run a scenic 32 mile loop in the Cambrian Mountains from Camp Plas on 10 October 2026 with a fully marked, well supported course. Enjoy exclusive weekend camping, BBQ, live music and lakeside activities, entries limited to 100.

Tackle 55 km through the Forest of Dean, from ridges and dense woodland to the River Wye and Symonds Yat viewpoint. Technical single track and riverside sections offer scenic challenge and there is a canicross category.

Take on the scenic Twin Peaks & Ras Consti in Aberystwyth, with a testing 11.7 kilometre senior route over Pen Dinas and Constitution Hill. Starts and finishes on the promenade with great views, cafes and family friendly junior races.

Take on the Brenig Way 50 km trail through the Dee Valley and Clocaenog Forest, finishing on the Llyn Brenig dam. Expect technical climbs, riverside paths and full electronic timing with GPS trackers to keep you on course.

Blaze the Biblins on 18 October 2026 is a scenic 10k trail race through ancient woods and riverbanks near Ross on Wye. Expect technical single track, climbs including the notorious Demon hill, and a lively village finish.

Roughly 12K trail run on bridle paths and the Imber Range near the Westbury White Horse on 18 October 2026. Limited to 200 places so book early for a bespoke finisher medal and category prizes.

Run muddy, multi terrain trails across rolling Stockland countryside with river crossings and hills, choosing 3 km, 5 km or 10 km distances. Village hall hub offers parking, cake and limited on the day entries.

Town and Country Harriers is a friendly Bristol based off road club that meets most Thursdays, usually starting and finishing at a local pub. Trails range from city paths to the Mendips and Cotswolds and all who can run 4 to 5 miles are wel..

Halloween 7in7 at Pengethley Manor, Ross on Wye offers seven consecutive days of off road laps through vineyards and a hill, with distances from 5k to ultra. Walk or run any day or go virtual and collect seven themed medals.

Join the Witches Whisk at Pengethley Manor for a spooky Halloween trail across 2.5 km laps through vineyards and rolling offroad terrain. Pick 5k to ultra distances, ideal for runners or walkers after a fun seasonal challenge.