Harlech
Trail Running Calendar near Harlech 2026-2027
Explore the top trail runs near Harlech for 2026-2027! We've gathered 32 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
July 2027
A 15.35 km mountain race on 17 July 2027 with 994 m of ascent; entrants must be over 18 and have mountain running experience.
Mountain races in Eryri's Ogwen Valley offering 40K, 25K and 15K routes from Plas y Brenin with marked trails, on course support and chip timing.
August 2027
A backyard ultra on the Llŷn Peninsula on 6-7 August 2027 where runners repeat a set loop each hour; entry includes support, refreshments, a medal and free camping.
September 2027
A 45-mile mountain ultramarathon across Snowdonia, following high trails over Tryfan and Yr Wyddfa with five checkpoints and required mountain kit.
November 2027
A 60 km winter coastal loop on the Llŷn Peninsula starting and finishing at Tafarn Y Fic, offered as an individual ultra or a team of four relay with checkpoints and support.
July 2028
A 47 mile ultra from Barmouth to Llanidloes largely on National Cycle Route 8. It is Day 3 of the six day MTC CYMRUN, has a limited field and a minimum pace requirement, and includes tracking and a finisher medal.