Barmouth
Triathlon Calendar near Barmouth 2026-2027
Monthly updates for Barmouth
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Barmouth for 2026-2027! We've gathered 10 exciting races in the area. Check out our detailed list below to find your next local race.
September 2026
Dyfi Aquathlon on 13 Sep 2026 pairs a 13km open water swim with a 13km trail run back to Aberdyfi along the Wales Coast Path, with live GPS tracking and timed results.
October 2026
May 2027
Conquer the highest peak in Wales through a 36 km multi-activity adventure involving cycling, trekking, and kayaking in the heart of Snowdonia National Park.
June 2027
Multi-distance triathlon and duathlon in Llanberis with a lake swim beneath Yr Wyddfa, mountain cycling on the Llanberis Pass and trail finishes through the Dinorwig quarries.
Abersoch Triathlon in North Wales features Olympic and Sprint courses with a sea swim, bike laps, a mixed beach trail road run and a beach finish.
Monthly updates for Barmouth
Get new running races (and updates) in your inbox every month.
A six-lap eliminator swimrun in Aberdyfi combining short trail runs and open-water swims around the UNESCO Dyfi Biosphere.
A swimrun at Tal Y Llyn in Snowdonia with 5.2 km laps mixing running and lake swims near Cadair Idris, on mainly flat hard-surface terrain.
July 2027
A multi terrain triathlon and duathlon at Plas y Brenin in Eryri with lake swim, mountain cycle and trail run across Sprint, Standard and 70.3 distances.
August 2027
Conquer the highest peak in Wales through a 36 km multi-activity journey involving cycling, trekking to the summit of Snowdon, and kayaking across Llyn Padarn in a single day.
September 2027
Triathlon y Bala at Llyn Tegid offers Sprint, Standard and Legend 70.3 distances with lake swims, closed road cycling and support for Tom Harrison House.