Fina adopts clusters in updated 2021 World Cup calendar

Joseph Schooling of Singapore during the 2018 Fina Swimming World Cup at OCBC Aquatic Centre in SIngapore. (Photo by Lionel Ng/Getty Images)

Fina has revealed an updated calendar for the 2021 Swimming World Cup, the series of swimming events that will act as qualifiers for the postponed Short Course World Swimming Championships (25m)