Enter now and make sure you’re a part of Wales’ biggest festival of sport! Taking place over 3 days, on Friday you’ll tackle a 2.4 mile swim, before a 112 mile cycle on Saturday and a 26.2 mile marathon on Sunday.
Individual Events & Junior Entries
You can also be a part of the weekend by doing the events individually! Choose to take part in the swim, cycle and run, with various distances available so there’s something ideal for every level of athlete!
Three events over three days in some of the most scenic locations in the world. Can you beat the tough countryside course of Wales’ only 3 day triathlon? Discover more about the Long Course Weekend using the quick links below.
Enter Long Course
Take part in one of Wales’ biggest & toughest triathlons
About The Event
Find out what you’ll tackle over the three days
Your guide to where you need to be and when
Don’t miss a turn with our event maps for each stage
Be A Volunteer
Become an event hero and sign up to be a volunteer
Answers to the questions commonly asked by athletes
Mumbles Triathlon is now open; 29th September 2018! A tough middle distance race and two speedy sprint distances, it's the perfect event to round off your Triathlon year! Register your place for 2018 NOW!
Want to know what the Long Course Weekend is all about? Then head over to our YouTube channel, where you can relive the action from 2016 and really get a taste of what it'll be like in Tenby next July!