Join us at our Lough Cutra Castle race event to race through the beautiful grounds and surrounding area of stunning South Galway. Pick your discipline - triathlon, duathlon, aquabike, aquathlon, swim and run - and choose a distance from starter to elite. Recruit your friends and celebrate completing your challenge in our festival village.
Our Lough Cutra Castle Race event is set within stunning surroundings. Recently accommodating King Charles during a 3-day visit to Ireland, the castle was built during the Gothic revival period and is idyllically situated overlooking the Estate’s 1,000 acre lake (the largest privately owned lake in Europe), home to this event’s open water swims.
Truly iconic courses in the West of Ireland. The weekend will host a huge range of races for all ages and abilities. Whether you’re 9 or 90 years old, a first-timer or an elite, you can pick from our triathlon, duathlon, aquabike, aquathlon, run and swim races.
Use these buttons to view our in-depth Guides, see Lough Cutra course maps and access full list of races.
Lough Cutra Castle will be host to Triathlon Ireland’s 2023 Aquathlon Sprint Championships, Mixed Team Relay Club Championship and the Youth Series Qualifier- do not miss out!
View the TI Safeguarding Statement here.
If you’re competing in a triathlon or multisport event you will need a valid membership or Triathlon Ireland Day Licence to compete.
Precision Fuel & Hydration's electrolyte drinks and energy gels will be available at our feed stations this season. Try out their taster pack in your training, see booking email for special 15% discount code.
Tri Training Harder help athletes prepare for our iconic events through different coaching packages which include race specific training plans, pre-event training sessions and a virtual training club.
We host a family campsite for tents and caravans in the castle grounds. Click ‘Purchase merchandise’ on your registration’
We partner with Stena Line and Irish Ferries to offer our competitors exclusive discounts traveling between the UK and Ireland. More information is shared in your confirmation email.
This event is a fantastic day out - we welcome supporters to come along, explore the stunning castle grounds, cheer athletes on from numerous up close viewing spots, enjoy the event village entertainment and soak up the festival atmosphere.
Train for your race in Castle Race Series kit and tag us #CastleRaceSeries so we can see you in action.
Photographers are positioned around the course, finish line, and event village to capture you in action. 50% off ALL your Official Digital Photos if you buy online now - just £15! Terms apply.
We present trophies to 1st place winners, and prize pots for podium place of the Olympic and Gauntlet triathlons. All participants receive a medal, and if you'd like to remember your times go to your Active account and click 'Purchase Merchandise' to add Medal Insert to your booking.
Have a look at the event results from 2023 to see how our athletes performed to inspire your racing in 2024
12-13 years triathlon and 14-15 years triathlon is a tarmac bike course on closed roads
9-10 years triathlon and 11-12 years triathlon is off-road, mountain bike advisable
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