Ystradgynlais
Trail Running Calendar near Ystradgynlais 2026-2027
Explore the top trail runs near Ystradgynlais for 2026-2027! We've gathered 96 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
March 2027
Trail running event in the Black Mountains with marked 10, 20 and 40 mile routes from Crickhowell, marshals, stocked checkpoints and strict mandatory kit requirements; canicross friendly and GPX routes available.
Local club orienteering at Carn Goch near Llandeilo on 7 March 2027, suitable for families and newcomers with coaching available and no dogs allowed.
A 7 hour Time Challenge at Dare Valley Country Park offering distances from 3 km up to 50 km with themed medals, goody bags, aid stations and on course support.
Free MapRun navigation activity in Llangyfelach near Swansea, organised by SBOC under WOA, offering GPS/virtual courses and accessibility for families and wheelchair users.
Timed, lap based event at Barry Sidings Country Park on 21 March 2027 offering distances from 5 km to ultra on a 5.3 km out and back lap with a seven hour limit.
April 2027
Mountain trail races in the Brecon Beacons on 2 to 3 April 2027, featuring 100 km, 40 mile and marathon courses with marked routes and checkpoints.
An evening MapRun navigation activity at Dunvant on 14 April 2027, organised by SBOC, free to attend with wheelchair access, family suitability, and GPS and virtual course options.
Marked trail event in the Brecon Beacons offering 10, 20 and 40 mile routes with staffed checkpoints, mandatory kit requirements and a canicross option.
Club orienteering at Singleton Park near Swansea on 24 April 2027, part of the SBOC Summer League with family friendly park O courses and coaching available, dogs not allowed.
A 7 hour Time Challenge at Dare Valley Country Park with distances from 3 km to ultra, medals, goody bags, aid stations and free parking.
May 2027
SBOC Summer League 2 at Cefn Bryn West near Swansea on 5 May 2027 is a local club league event offering family-friendly courses, coaching, and no dogs allowed.
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.
Pretty Muddy 5k at Singleton Park, Swansea is a mud obstacle run on grass and paths with staggered waves, Blue Badge parking about 700 m away, and adult and child entry prices.
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.
Local club league orienteering at Penllergare Valley Woods near Swansea on 19 May 2027, organised by SBOC; suitable for families and newcomers, dogs not allowed.
SBOC Summer League 4 and Saturday Park O at Craig y Nos Country Park on 22 May 2027 offers club league orienteering near Swansea with family friendly and newcomer options.
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.