Trail Running calendar near Denbigh 2025-2026

We have found 278 Trailruns within 80 miles of Denbigh. See below where and when you can find the races.

Join the Chasewater Easter Egg Challenge on 05/04/2026 for scenic undulating multi terrain runs around the reservoir, with distances from junior to 20k. Dress as an Easter character and enjoy a bespoke medal, free photos and prizes.

Enjoy a scenic 10K plus trail from Shibden Hall to the heart of Halifax, threading through historic buildings usually closed to the public. This inaugural race supports Calderdale Overgate Hospice.

Calderdale Hike on 11 April 2026 features 16, 24 and 35 mile circular routes across Pennine valleys and moors with big climbs and great views. Proceeds support 24th St Paul's Scouts and entrants aged 14 plus are welcome.

The Summit 2 Sea - Offa's Dyke Half Marathon is a challenging spring race covering approximately 13.8 miles from the summit of Moel y Parc to the coast at Prestatyn. Runners will ascend over 2,450 feet, starting at over 1,300 feet above sea..

The Llangollen Fell Race, hosted by Run Free Fell Runners in North Wales, is a popular annual event featuring two scenic routes: a challenging 17-mile course with 3000ft of elevation and a shorter 10-mile route ascending 1969ft. Both start..

Rugged mountain trails in the Ogwen Valley from Plas y Brenin, with 15K, 25K and a demanding 40K across Carneddau and Glyderau. Skyrunning certified and UTMB indexed, the event has strong on course support, a lively village and is sold out.

UTMB Index

Take on the inaugural MTC Gelert 47 mile ultra from Barmouth to Llanidloes on 16 April 2026, the third day of the MTC CYMRUN end to end. Limited field, bespoke medal for all finishers and real time tracking for supporters.

Take on the Ranger Ultras PB230km, a rugged 230 km timed trail along the Pennine Bridleway from the Peak District to Cumbria. Indoor checkpoints, hot meals and bunks support a small field on this epic multi day endurance challenge.

Take on the Ranger Ultras PB137km Trail Challenge, a rugged 137km timed run along the Pennine Bridleway from West Yorkshire to Cumbria with a 50 hour cutoff. Small field with full support, indoor checkpoints, hot meals and trackers.

Take on Chester Ultra 100, a scenic 102 mile trail around Chester that links forests, ridges and castles with a generous 32 hour cut off. Live GPS tracking keeps friends and crew updated as you tackle this epic day and night challenge.

Explore the wild beauty of the Shropshire Hills while supporting Grow Cook Learn at the Shropshire Way 80K Festival. Choose from 6.5 mile, 13 mile, 26 mile or epic 50 mile routes that climb summits, pass hillforts and ancient woodlands.

Celebrate the Peak District's anniversary with scenic 70 km and 35 km routes from Castleton, open to runners and walkers. Proceeds support the Peak District National Park Foundation and showcase the park's varied landscapes.

Classic Blackstone Edge fell race is a short but testing run across Pennine moorland, visiting the trig point, a known boggy section and an old Roman road. Scenic, fast and championship class, it is a spring must for fell runners.

Run through the scenic trails of Cannock Chase Forest at the RunThrough Cannock Chase Running Festival on 19 April 2026, with Half Marathon, 10K, 5K and junior races. Enjoy marshalled, undulating routes, a festival village and finisher meda..

Martley Madness is a scenic 10 miles trail race across Rodge Hill and woodland, with challenging climbs and quiet country lanes. Finishers get bespoke medals and proceeds benefit Cardiac Risk in the Young.

Take on a scenic 8.6 mile loop around Trawsfynydd Lake in Snowdonia, a mixed tarmac and trail course with one testing hill and 175 m of ascent. All entry funds support the volunteer South Snowdonia Search and Rescue Team.

Join Totley AC for the Tigers Trail, a friendly midweek club race from Fox House with around 10 km of scenic, spirited fell country and a warm pub finish. Pre entry or pay on the night make it ideal for last minute runners.

Run the Calderdale Way Ultra from Heptonstall through sweeping moorland, woodland and old packhorse ways. Pick 30, 50 or 100 miles for a tough off road challenge with vegan friendly aid stations and great post race food.

The North Wales 50km & 100km is a scenic ultramarathon event along the North Welsh coastline, starting at the Nova Centre in Prestatyn and finishing in Bangor. The 50km route covers 53.8km with 2,700ft of ascent, reaching the beach at West..

Take on the legendary Fellsman across the Yorkshire Dales, a rugged 60 plus miles point to point with 11,000 feet of climb and staffed checkpoints for support. A shorter Fellsman Dart covers 30 plus miles with the same navigation challenge..