Llanuwchllyn
Triathlon Calendar near Llanuwchllyn 2026-2027
Monthly updates for Llanuwchllyn
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Llanuwchllyn for 2026-2027! We've gathered 7 exciting races in the area. Check out our detailed list below to find your next local race.
August 2026
A looped Eliminator swimrun at Tal Y Llyn in Snowdonia, featuring 5.2 km laps with 4.6 km running and 600 m swimming, up to six laps and a HQ at the Tyn Y Cornel Hotel. Terrain is mainly hard surface with short trail swim exits.
September 2026
Triathlon y Bala stages lake swims at Llyn Tegid and offers Sprint, Standard and Legend distances while supporting Tom Harrison House; entries for 2026 are sold out.
A 13 km open-water swim followed by a 13 km trail run along the Wales Coast Path back to Aberdyfi. Live GPS tracking is provided and swimmers must meet a minimum open-water pace requirement.
October 2026
Bike and run events on Harlech Beach with sand-surface courses, relay options, and distances from short runs to combined bike-run races on 18 October 2026.
June 2027
Multi-distance triathlon and duathlon in Llanberis on 13 June 2027, from Sprint to full 140.6, with an event village, chip timing and bilingual services.
July 2027
A multi-terrain triathlon and duathlon in Eryri (Snowdonia) at Plas y Brenin featuring lake swims, mountain cycling, trail runs, multiple distances and a charity partner.