Jinan is also the site of annual Chinese national winter swimming festivals since 2014, as an international invitational festival (in 2019 attended by approx. 990 winter swimmers from 12 countries, still according Chinese rules) since 2016, and, from season 2019/2020, as the International Winter Swimming Association (IWSA) 3rd stage of World Cup already according to IWSA international rules. Besides competitions in swimming pool created in lake the main event and longest discipline of competitions is swimming 300 m (980 ft) from Huxin Island to the venue of the World Cup.