“Sports School Cup” Yangtze River Delta Youth (Children) Swimming Invitational Tournament (2021) and the Final of the 7th “Mayor Cup” Youth (Children) Swimming Championships were successfully held at Hangzhou Olympic Sports Centre Aquatic Sports Arena, located at the north of the centre. Competitions and training for swimming, diving, and synchronized swimming sports of the Asian Games will be held here. This year’s “Mayor Cup” was the first competition held in the arena ever since its establishment. More swimming, diving, and synchronized swimming competitions will take place here in April and May to polish the facilities and the service ability of the venue.