Snowdonia Slateman Triathlon 2017

On 20-21 May 2017, join over 1500 other triathletes to race to finsih the truly special Slateman Triathlon. 

You'll start with a swim surrounded by mountains, then complete a bike course in the heart of the Snowdonia National Park and finally a run through a slate quarry.

The Slateman Slatefest will be delivered over two days, with three triathlon options to choose from.

The Slateman Sprint

  • Lake swim: 400m
  • Road cycle: 20km
  • Trail run: 6km

The Slateman Full

  • Lake swim: 1000m
  • Road cycle: 51km
  • Trail run: 11km

The Slateman Savage

This is for those with experience that think they can take on the the whole Slateman weekend by completing the Sprint and the Full.

Team Stroke

Every Stroke Association triathlete will receive:

  • entry to the event (saving you up to £125)
  • fundraising pack
  • regular support
  • technical running vest.


The registration fee is £15 and we ask for you to pledge to raise a minimum of £250.

Booking your place

Please select which triathlon* you wish to sign up for at the bottom of the page. Then, complete the registration process by entering your details. We will be notified of your entry and will be in touch to welcome you to the team.

* Places will be allocated on a first come first serve basis.

Book a place