IRONMAN 70.3 Weymouth

Situated off the World Heritage Site Jurassic Coast, this race is a first-timer favourite, featuring sandy beaches, spectacular coastline and the stunning Dorset countryside. Half-distance triathlon: 1.9 km swim, 90 km bike, 21.1 km run.

Listed via nirvanaeurope.com. Dates and details can change — always confirm on the organiser’s site before entering.