Slateman Triathlon & Duathlon
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Slateman Triathlon & Duathlon 2026
The Slateman Triathlon & Duathlon is a multi-distance swim, bike and run event held in Llanberis, Eryri (Snowdonia) on 14 June 2026. The event offers both triathlon and duathlon formats across several standardised distance options.
- Sprint: Swim 750 metres, Bike 20.2 km, Run 5.8 km.
- Standard: Swim 1500 metres, Bike 49.9 km, Run 11.7 km.
- Legend (70.3): Swim 1,900 metres, Bike 92.6 km, Run 23.1 km.
- Ultra (140.6): Swim 2.4 miles, Bike 180 km, Run 44.5 km or 49.9 km finish options.
- Standard Duathlon: Run 1 5.8 km, Bike 49.9 km, Run 2 11.7 km.
Event services include an event village with music, commentary, shopping and food, family finishes, on-course support with marshals and signage, pick up vehicles, and chip timing with live online results. Finishers receive event mementos that reflect the location and local history. The organiser offers a Season Pass that covers both the Slateman and the Superfeet Sandman events; Season Pass benefits include guaranteed entry to both races, a limited-edition hoodie, exclusive series results and rankings, and choice of distance. Practical information such as travel, accommodation and local guidance is provided for participants and residents.
All event signs, registration and commentary are available in English and Welsh. Visit the organization's website for the most recent information.
