10º MEIA MARATONA DE ANIVERSÁRIO DE BALNEÁRIO CAMBORIÚ

21k BC is a half marathon in Balneário Camboriú, on the Santa Catarina coast, held in conjunction with the city's anniversary. This is the event's 10th edition, featuring a 21 km solo race, a 21 km duo option, and a 5 km individual race. Runners can opt for the full half marathon distance individually, share it with a teammate, or complete a shorter city run. The solo half marathon follows an out-and-back course, bypassing the climb up Estrada da Rainha. For the duo race, each participant runs 10.5 km. The 5 km route goes towards Barra Norte and passes the jetties. The race attracts participants from across Brazil. Athletes can select between Basic and Plus kits, with additional options during registration.