The Georgia Interscholastic Cycling League will host its second mountain biking race of the season for middle and high school athletes Sunday at Allatoona Creek Park in Acworth. Forty-seven teams and 400-plus student-athletes from across Georgia and parts of South Carolina are expected to compete in the race. Cyclists from four Hall County schools, including Chestatee High, Johnson High, Gainesville Wrenched Composite and Prima Tappa Composite are among the participants.