Slateman Triathlon: Iconic adventure triathlon in… | Always Aim High


Events / Triathlon

Slateman Triathlon 2023

The first part of the Adventure Championships, the Slateman Triathlon is the most Iconic Adventure Triathlon in Wales. Starting in Llanberis; the heart of Snowdonia’s industrial heritage this is an unparalleled race which combines stunning scenery with epic challenges. 220 Tri Magazine has listed the Slateman run course as one of the best in the world!

Now staged in June, the warmer water temperatures, additional events over the weekend, and a party atmosphere all surrounded by stunning scenery will make this an event not to be missed from any athlete's calendar.


10 Jun - 11 Jun 2023



Choose your distance


Slateman 2023


10 Jun 2023

Swim: 750 Metres

Bike: 20Km

Run: 5.8Km

Find out more Slateman 2023 Triathlon Sprint
Slateman Swim

Slateman 2023


11 Jun 2023

Swim: 1500m

Bike: 49.6km

Run: 11.9km

Find out more Slateman 2023 Triathlon Standard
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Slateman 2023


10 Jun - 11 Jun 2023

Swim: Day 1:750m / Day 2:1500m

Bike: Day 1:20km / Day 2:49.6km

Run: Day 1:5.8km / Day 2:11.5km

Find out more Slateman 2023 Triathlon Savage
Slateman run

Slateman 2023


11 Jun 2023

Swim: 1,900 Metres

Bike: 92.6Km

Run: 23.1Km

Find out more Slateman 2023 Triathlon Legend
The Slateman Triathlon is part of the Adventure Championships. Enter Now.

What's Included

Event village

Lively Event Village

Music, commentary, shopping, food and chill out zones.

Slateman family

Family Friendly Vibes

Family finishes and plenty to see and do.

Slateman transition

On Course Support

Brilliant marshals, signage and pick up vehicles

Slate Placeholder Current View

Unique Finisher Mementos

Beautifully designed to reflect our event locations and local history.

Drone Swim

Spectacular Scenery

Snowdonia's awe-inspiring scenery is the backdrop to your race

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Professional Timing

Chip timing, live tracker and online results

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I am a 14 time Ironman. Wow, wow, wow you guys blew me away! I am converted. Your event was so well organised, the course fantastic, marshals so, so friendly and the attitude of everyone involved so positive and co-operative. Just what us nutters want from events like this.

2019 Participant

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