Cosmeston Lakes Coun..
Trail Running Calendar near Cosmeston Lakes Country Park 2026-2027
Explore the top trail runs near Cosmeston Lakes Country Park for 2026-2027! We've gathered 102 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
June 2027
A Pretty Muddy 5k at The Downs in Bristol with grass start and finish, mixed terrain and obstacles to climb, crawl and slide. Staggered wave starts apply and the event supports Cancer Research UK with a minimum fundraising target.
An inflatable obstacle-course fun run at Heath Park Cardiff on 26 June 2027 with lap-based distances from 2.5k to 15k and giant inflatable obstacles.
July 2027
Trail races on the private Merthyr Mawr Estate with a 12K, half marathon and marathon across dunes, river crossings and the Glamorgan Heritage Coast.
Flat races along former railway and riverside paths through the Wye Valley, featuring long tunnel sections, multiple feed stations and a choice of fun runs, 10km, half and marathon.
A 100 mile self-navigation ultramarathon across the Brecon Beacons with 6143 m ascent, 10 checkpoints, strict qualifying criteria and a 40 hour cut off.
An urban navigation challenge in Cardiff where participants are blindfolded, dropped at an undisclosed location and must return across 6, 10 or 15 miles without maps or GPS.
Three coastal ultramarathons on the Wales Coast Path finishing at the Norwegian Church in Cardiff Bay, offered over 100 miles, 50 miles and 50 km.
August 2027
Evening trail event at Fyne Court Estate offering 5 km and 10 km routes on undulating parkland and woods, with optional wooden finisher medals and cupless water stations.
A 5 km fell race with 220 m of climb at White Hart in Axbridge on 18 August 2027, with on the day entry for £10 and FRA insurance.
Timed laps of a 5.3 km out and back course at Barry Sidings Country Park on 22 August 2027, with distances from 5 km up to ultra and a seven hour limit.
Traffic-free 5K and 10K trail races at Wimbleball Lake in Exmoor, with dedicated canicross and junior 5K options as part of a larger multisport festival.
A 35-mile trail ultramarathon on 29 August 2027 from Chepstow Castle along the Wye Valley Trail and Offas Dyke, returning through the Tiddenham Tunnel with live music at the finish.
September 2027
October 2027
Trail half marathon across the Quantock Hills with technical trails, steep climbs, stream crossings and two feed stations near Kilve Court.
November 2027
A mountain ultramarathon of 30 miles across the Brecon Beacons on 6 November 2027, based in Georgetown, Merthyr Tydfil, with marshals, checkpoints and mandatory kit checks.