Christof Wandratsch Sweeps 2020 IISA World Cup Series Titles In 500m, 1000m Freestyle Courtesy of Ram Barkai, International Ice Swimming Association. The 2020 IISA World Cup Series has concluded after a season where the ice swimmers competed in Amsterdam (Netherlands), Vietsbroon (Germany) and Cheltenham (Great Britain). Ram Barkai, chairman of the International Ice Swimming Association […]