Cymoedd Sir Fynwy
Abergavenny, United Kingdom • 18-19 Apr 2026
Event overview
Cymoedd Sir Fynwy is a multi-distance walking and running event organised by LDWA - South Wales. It takes place on Saturday 18 and Sunday 19 April 2026. The route network explores the Black Mountains and the Forgotten Landscape World Heritage area above Blaenavon. The course includes sections used by the Y 100 Sir Fynwy and the Valleys 100 routes. Notable terrain features include climbs such as Deri, Loxidge Tump and Skirrid, and passes near Cwmyoy, Llanthony and Pandy. The route also visits Blaenavon’s World Heritage landscape, Coity Mountain, and finishes along the Monmouthshire & Brecon canal.
Courses, entries and location
Available distances:
- 50 miles
- 30 miles
- 20 miles
Entries open on 1 October 2025 and close on 31 March 2026. Entry fees are listed separately for LDWA members and non-members: for the 50-mile event £40 (member) and £55 (non-member); for the 30-mile event £27 (member) and £42 (non-member); for the 20-mile event £18 (member) and £33 (non-member). Entry limits are 125 for the 50-mile event, 50 for the 30-mile event and 75 for the 20-mile event. The event offers an optional XCover refund option. The event base is The Girl Guide Hall, Fairfield Car Park, Abergavenny NP7 5TR. A free car park is available about half a mile away at Byfield Lane Car Park, Tudor Street. Visit the organization's website for the most recent information.