Larisa Firsova Wins 2019-2020 IWSA World Cup Title Courtesy of Mariia Yrjö-Koskinen, International Winter Swimming Association. Larisa Firsova from Petrozavodsk, Russia won the shortened 2019-2020 International Winter Swimming Association World Cup season. Firsova won both the 45-49 age group and the overall World Cup title with a total of 505 points. Mariia Yrjö-Koskinen of Finland […]