IRONMAN 70.3 returns to Dorset this September.  The 70.3 mile Weymouth event will involve a 1.2 mile swim in Weymouth Bay, a 56 mile bike ride around the scenic Dorset countryside and a flat 13.1 mile run course that laps along Weymouth’s fine esplanade and through the town.

This fantastic event will bring thousands of athletes to Weymouth for the ultimate one-day test of endurance.

Enjoy a vibrant festive atmosphere and support some of Britain’s best professional athletes and cheer on the thousands of amateur hopefuls who have set themselves the goal of completing one of the most popular IRONMAN 70.3 races in the UK.