The Meia Maratona de Petrópolis is a road race held in Petrópolis, located in the mountain region of Rio de Janeiro state. It offers a 21 km half marathon and a 7 km option. The half marathon begins in Quitandinha, and the 7 km race starts in Corrêas. Both routes conclude at Parque Municipal Prefeito Paulo Rattes in Itaipava. The longer race commences early in the morning, with the shorter distance starting later, creating a staggered progression for the event.
The course is noted for its speed, frequently cited as one of the fastest in Brazil and suitable for achieving personal bests. The 21 km race caters to runners targeting the standard half marathon distance, while the 7 km route provides an accessible entry for newer participants into a significant race day. Recent editions have attracted over 1,200 athletes, with organizers anticipating an increase in participation, drawing competitors from multiple Brazilian states.