Trail Running calendar near Caerphilly 2026-2027

A Bath running event on 16 August 2026 featuring two long, lit railway tunnels and a programme from 500 m colourburst to ultramarathon and relays; proceeds support Sustrans.

Spartan South West is at Badminton Park on August 16 2026, featuring Sprint 5 km, Super 10 km and Beast 21 km obstacle courses plus a kids race and spectator access. Team entries and volunteer options are available.

A 10 km trail run at Ramsbury Brewery on August 16, 2026, mostly off road through trails and woodland. Canicross friendly, entries include a medal, a pint cup and a free drink.

A timed, flexible run along a 3.28 mile out and back route beside the Stroud Waterways canal. Runners choose distances from 5 km up to ultra and may complete as many laps as they wish within a seven hour limit.

Join the Crook Peak Cake Race in Axbridge on Wed 19 Aug 2026 for a spirited 3 mile fell challenge across stunning Somerset hills, finishing with cake and community cheer. On the day entry available for runners aged 14 and up.

Join the Gt. Links Tor Flyer on Dartmoor for a challenging 7.5 km fell race with 388 m of climb, finishing at the Fox & Hounds in Lydford. Open to seniors and juniors with pre and on the day entry.

A summer ultra on the Community Forest Path near Bristol with a 45 mile full loop and a 30 mile partial loop. The event features four checkpoints, bespoke finisher medals, timed tracking from 2026 and a mandatory kit list.

A 7 hour time challenge at Dare Valley Country Park where runners pick their distance from a 3km minimum. The event features a cupcake magnet medal, a baking competition, aid tables with vegan options, and free parking.

A children's fun run organised by Afan Valley Swimming Club on 23 August, covering approximately 1 mile of mixed grass and tarmac with uphill and downhill sections. Entry includes a finishers' medal and a bag of sweets.

A 10 mile trail race through Radnor forest in Mid Wales on 23 August 2026, held in aid of the Special Care Baby Unit in Hereford. The route reaches Black Mixen at 2130 ft and includes forestry roads, moorland and tree covered single track.

Experience a point to point mountain ultra from the Black Mountains to Cardiff featuring scenic ridges and historic castles. Choose between 33 or 44 mile distances with indoor aid stations and self navigation along the Cambrian Way.

Trail races at Wimbleball Lake include 10K and 5K runs with canicross options. The event is part of a bank holiday sports festival and offers camping, parking, finishers medals, event photos, and chip timing.

Train ing Challenge on 29 August 2026 in Bridestowe is an eight hour timed off road event on a former train line. Participants complete 5.3 km laps and may do multiple laps within the permitted time.

Ras Beca is an 8 km race with 320 m of climb near Crosswell in North Pembs. Entry is £5 pre entry or £7 on the day and the event is insured by WFRA. Junior races cover multiple youth age categories.

A chip timed, multi-terrain 10 km through Pershore and nearby countryside, finishing in Abbey Park with Pershore Abbey nearby. Entry is online, limited to 325 places and restricted to participants aged 18 and over.

A timed 8 hour event on 30 August 2026 in Bridestowe with flexible arrival under a TUGG system. Laps are 5.3 km on an old train line, places are limited to 70 and finishers receive a medal.

Ras y Cerrig Glas is an 11.3 km fell race with 350 m of climb held from a small car park between Mynachlog-ddu and Rosebush. The partially marked route requires navigational skills and experience; entry fees include refreshments.

An eight hour timed out-and-back challenge on an old disused train line in Bridestowe on 31 August 2026, with **5.3 km** laps, a 70-person capacity and medals for finishers who complete their final lap within the time limit.

A 7 km fell race with 365 m of ascent in Machen on 31 August 2026. The route runs on steep, loose terrain so trail or fell shoes are recommended and entry is on the day with a £7 fee and age limit over 18.

A new *15 mile* trail event in September 2026 on the Rhymney Valley Ridgeway Walk, with 2,267 ft of ascent, mostly off-road terrain, one fully stocked checkpoint and organised entry support from Rudry to Parc Penalta.