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WOW! We are thrilled to announce our success at the Challenge Awards presented by Runners World and powered by Let’s Do This. The Islander Middle Distance Triathlon came 3rd place in the Best Triathlons category. We also finished Top 10 for Best Event Organiser and Top 10 in the Best Triathlons category for Mersea Island Sprint Triathlon.

The awards aims to recognise the best challenge events, organisation, charities, communities and individuals over the 2018/19 season.

2020 Entries!

2020 Race dates have been set!

Saturday 18th and Sunday 19th July 2020

The Islander – Middle Distance Triathlon – Saturday July 18th
Mersea Island Sprint Distance Triathlon – Sunday July 19th
Mersea Olympic Distance Triathlon – Sunday July 19th – NEW for 2020!




How it all began...

Mersea Island has hosted a Sprint Triathlon for 8 years running. It started due to Josh realising Mersea was not only an idyllic setting but perfectly formed to provide a…

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….

If you fancy a middle distance Tri that's a touch harder than most do this one , great atmosphere from all involved especially the Islanders, back next year

Craig D

The Islander -what a great race !
Well organised, the swim was amazing in calm warm water, fast scenic bike course, the run around the island was slightly more challenging with some tough sections over the beach. Overall I would say highly recommended and i'll definitely be back for 2020.

Steve E

Amazing original course, incredible organisation and friendly family crowd. The finish area felt like a festival. A Bucket list must

Phil G
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