ULTRA MARATONA DE MTB- 100K DE ARROIO DOS RATOS RS 2026

The Arroio dos Ratos 100K MTB Marathon is a mountain bike race in Arroio dos Ratos, Rio Grande do Sul, offering three distance choices: 20 km Ciclo Turismo, 35 km Sport, and 100 km Pro. Participants will start in waves according to their chosen distance, and all must have the necessary safety gear before lining up. The race structure allows recreational cyclists to complete the shorter route, while more competitive MTB racers can challenge the entire 100 km course. Registration must be completed beforehand via the event website. Awards are distributed by age category, with each participant’s category determined by their age as of December 31.