The world’s biggest fundraising swim hits 650 pools across the UK between 27-29 April.
Fairwater leisure centre hosts a Swimathon on Saturday 28 April from 12pm to 4pm.
Swimmers can choose from the 5k, 2.5k or Team 5k challenges. Those who opt to raise money for the ‘Big Splash Mile for Sport Relief’ can take part individually or as part of a team to complete the mile.
Entry costs between £6 – £10. Call 0845 36 700 or visit this website to enter.