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2018 sees two new events!

Our race calendar this year see two new events – a Childrens Pool-based Triathlon and Weekend Warriors!

The Islander – a unique Mid-Distance Triathlon – is open for registration. It has limited entrants so register now to ensure your place!

Weekend Warriors is a weekend where you can really Show Your Strengths. With racing of the separate disciplines and a choice of two triathlons. Full details and registrations for this event will be open in the next few week.

Register Now

Registrations are now open. Our next events are…

Thank you Abbie & Josh for a fantastic season of racing!!! Great location, great people, great races. I would definitely recommend these events to anyone. Looking forward to 2018


Possibly best race medal ever - it's only a bloomin' bottle opener as well!!! Thank you Mersea Island Races for a great sprint Duathlon this morning.

As a junior it was fantastic to compete in adult race and have so many others my age. Such a friendly atmosphere with great support. Look forward to your next event.


Fab event! We loved it - Thank You!


Thanks for organising and hosting us on your beautiful island.


Thank you so much for another great race yesterday. So lovely to race in a family run event that is friendly...will defo be looking out for the 2018 dates.

Brilliant event, very well run. Many thanks 👍


Thanks all for putting on a great event - really enjoyed it. Well done Charlie and Jen!


Really enjoyed it. Looking forward to trying it again next year already!


I thought this event was fantastic. Very well run and amazingly friendly, marshals were superb and deserve a lot of thanks, I do not think I have ever been to an event where everyone supported each other right until the end. Although, I was dreading the beach run the support from people on the beach was terrific. Looking forward to next year.


Today was brilliant ! I was nervous as this was my first ever triathlon and even more so when i turned up the only one on a mtb ! Everyone was really nice and helpful and supportive 🙂 the event was super organised and my fear of getting lost on the cucle and run was put aside with all the very helpful signs and really encouraging marshals ! Can't wait to do another thank you for making us feel so welcome 🙂



How it all began...

Mersea Island has hosted a Sprint Triathlon for 6 years running. It started due to Josh realising Mersea was not only an idyllic setting but perfectly formed to provide a unique arena to stage such an event.

The Island

Your adventure starts when you arrive at Mersea Island. You approach Mersea by a causeway from the mainland – yes, the island gets cut off at high tide! At just eight miles square….

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