Maratona Serra Imperial is a July road race in Rio de Janeiro state, following an asphalt route between Teresopolis and Nova Friburgo. The main event is a challenging 42.195 km marathon, limited to 500 runners who meet the qualifying standards.
The event also includes shorter races: 30 km, a half marathon, 5 km, 3 km, and a 30-meter dash, catering to a wider range of participants. Ticket Sports - Prodesporte organizes the race, with awards given by age category and World Athletics recognition for the competition.