Slateman Triathlon & Duathlon

Slateman Triathlon & Duathlon is an iconic multi-sport event in Caernarfon, Gwynedd, offering multiple triathlon and duathlon distances in the landscapes of Snowdonia.

The Slateman Triathlon & Duathlon takes place on Sunday 14 June 2026 in Caernarfon, Gwynedd. Organised by Always Aim High Events, it is positioned as a major multi-sport challenge set against the scenery and industrial heritage of Snowdonia.

The event offers multiple distance options across triathlon and duathlon formats, with categories including Sprint, Olympic, Middle Distance / 70.3, and Iron Distance.

• Date: Sunday 14 June 2026
• Location: Caernarfon, Gwynedd
• Price: £94.99 - £419.99
• Distances: Sprint, Olympic, Middle Distance / 70.3, Iron Distance
• Races: 7 races