Our famous full iron distance which has been designed to offer the ultimate physical challenge to athletes but in the most beautiful setting. Earn bragging rights to arguably one of the toughest races in the world. This race can be completed as a relay, where one participant completes each leg of the triathlon.
Race at:
Not for the faint hearted, our half iron distance is a middle-distance race that pushes competitors to their limits whilst visiting every corner of the beautiful castle estates and their surrounding rural road networks. This race can be completed as a relay, where one participant completes each leg of the triathlon.
Race at:
Mirroring the olympic race distances, enjoy stunning local countryside surrounding the castles and enjoy an unforgettable finish in the castle grounds. This race can be completed as a relay, where one participant completes each leg of the triathlon.
We’re delighted that our Castle Howard event in July will be hosting the 2024 Standard Distance Triathlon European Championship Qualifier.
Race at:
A great bridge between the Sprint and Olympic distances, and perfect for anyone new to open-water, and likely to suit anyone stronger in the bike and run disciplines. This race can be completed as a relay, where one participant completes each leg of the triathlon.
Race at:
Our most popular race distance and a perfect opportunity to put your speed to the test whilst benchmarking yourselves against some of the very best athletes in the business. This race can be completed as a relay, where one participant completes each leg of the triathlon.
Race at:
For the weaker swimmer and those graduating from the Starter distance this is the perfect race for you. A not overly demanding swim followed by a full bore cycle around a 20k circuit and then a circumnavigation of the castle’s grounds – what’s not to like! This race can be completed as a relay, where one participant completes each leg of the triathlon.
Race at:
A hugely accessible, fun and rewarding race, a great one for first timers. This race can be completed as a relay, where one participant completes each leg of the triathlon.
Race at:
A popular format that welcomes a yearly pilgrimage of club championships and a new triathlon race format. Each participant complete a short triathlon, with Mixed Team (2 male, 2 female) and Family (at least 1 adult). Enter either our Club Championships or Family/Friends Competition for a great day out and a chance to be top of the podium!
2023 see the introduction of the BULK SMS National Mixed Team Relay Championships!
Race at:
A challenging and exciting race in beautiful castle lake and grounds. Age categories are determined by age as of 31st December of competing year.
We’re delighted that three of our events will play host to 2023 National Youth and Junior Series:
Castle Howard for the Triathlon England Yorkshire Junior Series.
Cholmondelely Castle for the Triathlon England North West Junior Series.
Lough Cutra Castle for the Triathlon Ireland Youth Series.
Race at:
Keep up to date with exclusive discounts, launches and news.