Former reality TV star has successfully completed his first two Ironman-distance triathlons - but his challenge is about to get even tougher.

Reigning T100 World Champion Marten Van Riel has posted a second and more detailed statement following the dramatic lap-count controversy which wrecked the men’s race at Dubai T100 at the weekend, ...

An "especially challenging year" ends in disappointment as untimely stomach bug prevents German from racing IRONMAN Cozumel.

The battle for the T100 World Tour Championship will go down to the wire with three big guns right in the mix.

From calm waters in London to leopard seal-filled seas in Antarctica, this incredible triathlon adventure has just begun.

Britain's Simone Dailey storms through the field to win emotional IRONMAN Arizona as she announces retirement from professional competition.

Baby uncertainty leaves Sam Long as a doubt for what is sure to be an emotional day at IRONMAN Arizona this weekend.

Never miss out with our triathlon alerts & digest. Get a dose of adventure & inspiration with Boundless. Welcome to the home of endurance sports – a haven for triathlon, swimming, cycling, and running ...

After an impressive year of 'firsts', endurance athlete Caroline Livesey is setting her sights on triathlon and gravel success in 2026.

American Morgan Pearson finally named as winner of the chaotic Dubai T100 event as Mika Noodt is 'relegated' to runner-up.

M-Dot brand reveals updates to system which they hope will address the current imbalance seen in performance pool places.

Athletes express their anger, frustration, and an urgency to learn from the mistakes as they reveal what went wrong at the Dubai T100.