Llanuwchllyn
Trail Running Calendar near Llanuwchllyn 2026-2027
Explore the top trail runs near Llanuwchllyn for 2026-2027! We've gathered 58 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
August 2026
A 12 or 24 hour hill and trail event on a 5.8 km loop with 400 m ascent per lap, offering solo, pairs and team entries plus on-site camping and timed lap scoring.
A very short but steep mountain race on Tryfan near Bethesda, with exposed rocky terrain and expert navigation required. Minimum age over 18 and a £1 entry fee supports Ogwen Mountain Rescue.
A 5.5 mile multi-terrain fell run around Pen Y Gwely reservoir that starts and finishes within a traditional village show near Oswestry. The partially marked route climbs 225 m, requires limited experience, and has an over 15 minimum age; entry is £7..
A guided trail run meeting at the Ponderosa cafe covering about 7 km on Llantysilio Mountain with planned regrouping stops.
A hill race near Porthmadog covering 7.2 km with 564 m of ascent, partially marked and requiring navigational skills and experience. Entry is day only for £5 and teams may enter free.
Mountain race in the Clwydian Range with a 7.4 km, 380 m course, junior races, and inclusion in Welsh Athletics and North Wales regional championships.
September 2026
A 102 mile self navigation ultramarathon across Snowdonia with 11 checkpoints, mandatory kit requirements and a 42 hours cut off.
A 45 mile mountain ultramarathon in Snowdonia Eryri featuring five checkpoints, mandatory mountain kit, UTMB/ITRA points and a 20 hour cut off.
A 24 hour loop race at OnePlanet Adventure in Llandegla where individuals or two person teams complete as many 3 mile laps as possible on forest trails.
Guided run over the 15 Welsh 3,000 ft peaks in Snowdonia, covering about 30 miles and 4,000 m ascent with support and catering.
A partly marked fell race from the Raven Inn, covering 11.25 km with 445 m ascent. Day-entry only at £5, minimum age over 18, and participants should allow about 15 minutes to walk to the start.
A half marathon trail race across the Clwydian Hills to Moel Famau at sunset, with aid stations, timing checkpoints and a 120 runner limit.
Lake to mountain triathlons in Llanberis with swim laps in Llyn Padarn, 28 mile bike laps and a mountain ascent of Yr Wyddfa.
Ras Pedol Peris is an AL Welsh fell race in Eryri near Llanberis with full 28 km and half 14 km routes over several mountain summits on 19 September 2026.
A multi day 286 km mountain race across Wales with solo and team entries, five indoor checkpoints and a 108 hours time limit.
A community-hosted BM fell race in Glyn Ceiriog covering 11.6 km with 425 m ascent, entry on the day, minimum age 18, and post-race soup and cakes at the centre.
A fell race near Criggion covering 11.5 km with 790 m of ascent on a partially marked course that requires navigational skills. Entry is £8 and teams may enter free of charge.