3D Triathlon Club

Based in North Dublin City Centre, we will challenge you to go further: swim harder, bike stronger, and run faster, every step of the way.

New to triathlon?

Join us for our beginner-friendly New To Tri program!

Perfect for those looking to start their triathlon journey. Whether you're a complete beginner or looking to improve your skills, our experienced coaches will guide you through swim, bike, and run training in a supportive environment.

Join us for 3 free sessions

Weekly coached sessions are available to all members, and we welcome you to join any 3 of these so you can see what it is like and have a chat with members before you decide whether you would like to join.

Upcoming sessions

Coached swim

Wed, 4 Feb at 19:00

Monday runs in Grangegorman

Mon, 9 Feb at 17:30

Training locations

Club life on Instagram

@3dtriathlon

31 Jan 2026

1 week to go to our NEW TO TRI day 🧡 Curious and want to try triathlon and don’t know where to stay? Come and join us for some fun chats, lovely stories, friendly faces and great laughs.

26 Jan 2026

Join us for our New To Triathlon day at Hole in the Wall in Dublin 7, to learn more about what you can get from 3D Triathlon! 🏊🚴‍♂️🏃 More information on our website in bio

6 Jan 2026

2026 season loading... ⏳ Training starts now! Not a member yet? Come for a tryout, check out our website at 3dtri.ie 💪

4 Dec 2025

3D Awards Night 2025 🍾 After holding the Annual General Meeting in Bohemians in Phibsborough, we all gathered for dinner where coach Sean and our new chairperson David announce the winners of the 2025 3D Triathlon Club awards. Well done to all winners and thank you to all members who could show up!