Southport Triathlon attracts triathletes of all abilities, from complete novices to elite competitors take part in the Sprint and Standard Distance races. Based at Waterside Lodge a modern, purpose built two-storey Activity Centre on Southport Marine Lake, it has become one of the biggest events in the North West, reaching maximum capacity every year.

The Sprint Distance event is 750m swim / 20k cycle / 5k run, the Standard Distance is 1500m swim / 40k cycle / 10k run. The cycle course takes place on closed roads and the run course is based around the Marine Lake on tarmac paths.

Southport Triathlon 2023 will be a British Triathlon Age Group Qualifier for the 2024 World Championship Sprint Distance Triathlon.