The Castle Triathlon Series will celebrate its 10-year anniversary in style this year, kicking off with the agreement of a high-profile partnership with premium sports apparel brand 2XU.

In establishing valuable brand partnerships for its competitors, the race series is once again investing in creating the ultimate race experience for triathletes on all levels.

As the first of the year, 2XU become the Official Swim and Compression partner of the Castle Triathlon Series in a new two-year deal. The sponsorship will see the world-leading performance brand offer advice, wetsuit hire, event activation and bring premium products at special rates to the 18,000 competitors expected to participate in the six Castle Triathlon Series weekend events over the course of the year.

2XU is at the forefront of the global sports compression wear market, promising a winning combination of fabric technology and smart design of compression. With their strong heritage in triathlon, 2XU’s swim and tri wear ranges help optimise performance in training and throughout every leg of the race. This new sponsorship elevates the offering for all competitors as 2XU will create active zones at the six triathlon festivals, try and buy opportunities at training days, provide special offers on a portfolio of premium products and advise competitors, from beginner to professional, on open water swim gear.

Sign up to Castle Triathlon Series now with a 25% discount on entry price.

For more information about 2XU, visit: