A tournament-record 124 teams have been battling it out in the North American Youth Sports national basketball tournament in Bolingbrook and Romeoville since Wednesday.

Ten champions – five in the girls division and five in the boys – will be crowned Sunday at various age levels from fifth grade through high school. Several Chicagoland teams have been battling in the tournament and are eyeing a national title.

The single-elimination championship round starts at 8 a.m. with the title games at 4 p.m. and 5 p.m. at Bolingbrook High School, Romeoville High School and the Bolingbrook Recreation and Aquatic Complex.