Snowman Triathlon

JUL
25
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.
Sun 25 Jul 2027
Sprint 750 m 27.1 6.2 km Sprint 2.2 27.1 6.2 km Olympic 1500 m 69.1 8.7 km Middle distance 1900 m 95.6 21.2 km

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Snowman Triathlon & Duathlon

The Snowman Triathlon and Duathlon is a multi-terrain endurance event held at Plas y Brenin, Capel Curig, in Eryri (Snowdonia). Races begin beneath Yr Wyddfa and combine a lake swim, mountain road cycling and a trail run through Dyffryn Ogwen onto the slopes of Moel Siabod. The swim takes place in Llynau Mymbyr.

Distances offered include:

  • Sprint: 750 m swim, 27.1 km bike, 6.2 km run.
  • Standard: 1500 m swim, 69.1 km bike, 8.7 km run.
  • Legend (70.3): 1900 m swim, 95.6 km bike, 21.2 km run.
  • Sprint Duathlon: 2.2 km run, 27.1 km bike, 6.2 km run.

The event village includes music, commentary, shopping, food and chill out zones. There are family finishes and on-course support such as marshals, signage and pick up vehicles. Participants receive a finisher memento and results are recorded with chip timing and published online.

The headline charity partner is the Mountain Adventure Fund, an initiative of the Mountain Training Trust operating at Plas y Brenin to support children from financially disadvantaged backgrounds. Entrants can add a donation when booking, and a limited number of free spaces are available for fundraisers with a minimum sponsorship requirement of £200.

Date is listed as TBC. Signs, registration and commentary are available in English and Welsh. Visit the organization's website for the most recent information.

Half Marathon
Legend (70.3) Triathlon Run
9 km
Standard Triathlon Run
6 km
Sprint Duathlon Run 2
6 km
Sprint Triathlon Run
Sprint Duathlon Run 1
Sprint Duathlon Bike
Legend (70.3) Triathlon Swim
Legend (70.3) Triathlon Bike
Standard Triathlon Swim
Standard Triathlon Bike
Sprint Triathlon Swim
Sprint Triathlon Bike
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