More than 50,000 people will complete an IRONMAN this year, but do you know what is involved in doing one?

Report provides the opportunity to create cleaner, more accessible blue spaces across the country, so future generations can enjoy the life-affirming benefits of water sport.

Event organisers are invited to bid for GB Age-Group Team Qualifiers and British and Home Nation National Championships, including Welsh Super Series.

With races in Canada, Hungary and Spain this weekend, there were plenty of opportunities for British athletes to compete for prizes.

Jamie Heselden has been sober for nearly ten years, and for his latest challenge he is taking on IRONMAN Leeds. Here he tells his story.

Do3 is proud to announce that on Sunday 19th July 2026 we will be holding our six 'On The Edge Middle Distance' and 'Compton Verney Sprint' triathlons. Those who raced these events over previous years ...