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 Partner

Yonda

Yonda puts your performance as their focus. Their wetsuits are built with technical neoprene panels, the right balance of flexibility and buoyancy and will aid your swim style. Their Italian made trisuits that are breathable, lightweight and fast drying – ensuring that you can keep racing towards the finish line. 

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2 Wheel Electric Mobility Partner

NIU UK

As the world’s leading two-wheeled electric vehicles, NIU Electric Scooters deliver a quiet and comfortable ride as an eco-friendly alternative to petrol mopeds. We believe that life is more than waiting in traffic and living with pollution. NIU is here to free you from urban congestion and make life electric.

Find A NIU UK Store

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.