Trail Running calendar near Tongwynlais 2025-2026

We have found 244 Trailruns within 80 miles of Tongwynlais. See below where and when you can find the races.

Take on the Joust Races 2026, a friendly 24 hour multi lap running challenge at Top Barn Camping with a well marked, mostly flat loop and a lively campsite atmosphere. Enter solo or with a team for a memorable endurance weekend.

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.

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.

Take on a 6.7 km loop at Wyre Forest with Lone Wolf Birmingham, running one lap each hour and as many laps as you like up to 24 hours. Wooden trophies and medals await finishers, with a cafe and relaxed event atmosphere.

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.

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

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.

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.

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.

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.

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.

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.

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.

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..

Twin Peaks & Ras Consti in Aberystwyth is a scenic coastal race mixing paths, roads and rocky climbs. Seniors run 11.7 km with climbs of Pen Dinas and Constitution Hill while juniors race shorter routes finishing on the promenade.

Blaze the Biblins is a lively 6 miles trail race through ancient woodland, riverside paths and historic ironworks, featuring climbs and technical single track. Enjoy prizes, a memento and post race tea and cake; entries are limited.

Creepy Crawl on 21 October 2026 at Pengethley Manor offers 5k to ultra distances on a challenging off road loop through hills and two vineyards. Ideal for runners and walkers craving a scenic, gritty test of endurance.

November 2026

Explore the dramatic South West Coast Path across Exmoor with a range of coast races from a challenging 110 mile test to shorter 38 to 110 km options, all self navigated with GPS support. Expect rugged cliffs, estuaries and long coastal woo..