Slateman Triathlon & Duathlon
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Slateman Triathlon & Duathlon 2026
The Slateman Triathlon & Duathlon is a multi-discipline swim, bike and run event held in Llanberis, in Eryri (Snowdonia). The event on 14 June 2026 offers several race formats and a race village with music, food and shopping. On-course support includes marshals, signage and pick up vehicles. Chip timing with live online results is provided. Finishers receive specially designed mementos that reflect the event location and local history. Event services are bilingual with information and commentary in English and Welsh.
Distances and formats include:
- Sprint: Swim 750 m, Bike 20.2 km, Run 5.8 km
- Standard: Swim 1,500 m, Bike 49.9 km, Run 11.7 km
- Legend 70.3: Swim 1,900 m, Bike 92.6 km, Run 23.1 km
- Ultra Full Distance 140.6: Swim 2.4 miles, Bike 180 km, Run 44.5 km or 49.9 km
- Standard Duathlon: Run 5.8 km, Bike 49.9 km, Run 11.7 km
There is an Adventure Triathlon & Duathlon Series for the season, covering two North Wales events. A Season Pass provides guaranteed entry to both events, a limited edition hoodie, combined series rankings and the ability to choose among the listed distances. Visit the organization's website for the most recent information.
