Former Wales and British and Irish Lions wing Shane Williams was among the competitors, the eighth time he has taken on the challenge.

He said: “I honestly think it gets better and better, this is probably the best support I’ve seen. When you’ve got the support like that on both sides it’s incredible. I can’t explain how much I absolutely love it.

“I think my favourite today was the run and that was purely because of the support. It’s an Ironman – it’s all hard, but you enjoy it at the same time.”

Before the 2025 edition, race director Rebecca Sutherland said the event is the “jewel in the crown of our UK race season”.

She added: “The Welsh spectator support throughout Tenby and Pembrokeshire is always incredible to witness. Athletes get to experience a challenging course with one of the best atmospheres on earth.”

Those who made it to the finish line were rewarded with a trip up the infamous red carpet.

First-timers had the chance to ring the bell to mark their achievement, before hearing the four words every endurance athlete longs for: “You are an Ironman!”