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PARTNERS

We are very grateful to our official partners who help us deliver the very best racing experience for our athletes as possible.

Charity Partner

Alzheimer's Research UK

We have partnered with Alzheimer’s Research UK to raise vital funds for dementia research. This partnership lets athletes compete in Castle Race Series events at a discounted rate by making a fundraising pledge. You can also support through one-off donations via our booking forms, JustGiving, and at live events—all while enjoying the sport you love in stunning locations.

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Coaching Partner

Tri Training Harder

Tri Training Harder are a group of highly skilled and passionate coaches who help prepare athletes to achieve their extraordinary dreams. Tri Training Harder help Castle Race Series 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.

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Communications Partner

Bulk SMS

BulkSMS has been a steadfast supporter of the Castle Race Series from the very beginning. They provide competitors with essential race information directly to their phones, ensuring everyone stays informed. As a leading SMS messaging service provider, BulkSMS offers seamless two-way communication from any internet-enabled device. Their extensive gateway connects with over 800 mobile network operators worldwide, facilitating reliable communication across borders.

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Swim Goggle Partner

SWANS UK

Born in Japan in 1911 SWANS has been making swimming goggles a long time.  They are passionate about designing and manufacturing the highest quality swimming goggles for every type of swimmer.  Their goal is to ensure all swimmers, whether they are beginner or elite, fitness swimmer or marathon challenger, an open water dipper or triathlete, or competitive racer, enjoy the freedom and joy of the water without leaky or foggy goggles.
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Swim Adventure Partner

SwimTrek

For over 20 years, SwimTrek has been whisking swimmers off to lesser-known waters around the world. Today, we dive into more locations than ever before, making lifelong memories in a diverse variety of places, from Fiji’s tropical Yasawa Islands to the quiet meres of the English Lake District.

As a member of 1% For The Planet, SwimTrek are committed to giving back 1% of their sales (not profits) to environmental causes.

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Race Insurance Partner

YELLOW JERSEY

Yellow Jersey provide event day insurance to cover your race day with Castle Race Series. Since 2014, Yellow Jersey have been protecting triathletes worldwide for crash damage, theft, emergency medical expenses and much, much more.

Yellow Jersey provide affordable event day insurance designed to cover you for the reimbursement of your event entry fee should something unforeseen prevent you from participating (e.g. a new injury). Better still, it also covers your bike for damage when racing and theft when racked overnight, up to the value of £5000, on the day of the event.

Forgotten to add insurance during your entry? You can also purchase your event day insurance separately after you have booked your race entry.