Tongwynlais
Trail Running Calendar near Tongwynlais 2026-2027
Explore the top trail runs near Tongwynlais for 2026-2027! We've gathered 110 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
April 2027
A last-person-standing Backyard Ultra at the Medieval Village, Cosmeston Lakes: runners repeat a fixed 6706 m loop each hour until one athlete completes one more loop than anyone else. Camping and on-site facilities are provided.
A 40 mile towpath event from Malpas to Brecon on 24 April 2027 with three aid stations, volunteer Canal Crew support and a 15 hour cutoff.
Timed multi distance event on a 5.3 km Cardiff Bay lap with options from 5 km to ultra, a seven hour limit and flexible start times.
May 2027
A 5k obstacle course at Coopers Field, Bute Park, Cardiff, with tarmac paths and grassy sections that can get boggy after rain. The event raises funds for Cancer Research UK and uses staggered wave starts; participants must be 13 or older.
A hilly, technical Backyard Ultra at Blaise Castle Estate, Bristol, using hourly 4.167 mile laps; the 2027 event is sold out and the waiting list is closed.
A Welsh trail ultra with a 100 mile route from Abergavenny and a 100 km option from Talgarth to Abergavenny on Offa's Dyke and other long-distance paths.
A 50-mile trail ultra near Minehead on 8 May 2027 with about 7,337 ft of ascent, six aid stations and varied coastal, woodland and moorland terrain.
A trail marathon around Cardiff with about 1,300 m of climbing, mixed off-road terrain, partial self-navigation, checkpoints and support during the Radyr and Morganstown Festival.
Mountain marathon and 10 mile trail race across the Pen y Fan range at Parkwood Outdoors, Merthyr Tydfil, with marked checkpoints and variable mountain terrain.
Two route options, 26.5 miles and 16 miles, start from Trehafod Community Village Hall across the Rhondda Valleys with checkpoints, refreshments and a hot meal at the end.
Women only 10 km trail event at Margam Country Park on 16 May 2027 with chip timing, finisher medal, medical support and free parking.
Inflatable obstacle-course event in Bristol on 22 May 2027 offering 2.5 km to 15 km options, music zones, hydration stations and a finisher medal.
Trail races at Margam Country Park on 23 May 2027 with 5 km, 10 km and half marathon courses, chip timing, finishers' kit and canicross options.
A multi-stage event at Dare Valley Country Park where runners complete five Pure distances within 24 hours, with separate and combined results. Distances include 5k, 10k, 50k, half marathon and marathon.
Altered Backyard Ultra at Tockington Manor on 29 May 2027 with a 4.167 mile loop each hour, capped at 30 loops and a fastest lap finish if runners remain.
June 2027
A roughly 6 kilometre mixed-surface race through Blaise Castle Estate in Bristol, held annually in early June. The event has individual and team prizes, a minimum age of 16, and facilities based around the clubhouse.
Military themed D Day series run at Parc Taf Bargoed with 5.3 km laps; choose distances up to ultra within a seven hour time limit and earn commemorative medals.
An off-road race series around Cheddar Gorge and the Mendip Hills with distances from 1 km to marathon and an Omnium option; half and marathon hold UTMB index status.