The Duatlo e Aquatlo de Lousada is a combined duathlon and aquathlon event taking place on April 11 and 12, 2026, in Lousada, Portugal. It features multiple races including the Campeonato Norte Jovem and Campeonato Norte Absoluto, as well as open races for various age groups.

The Aquatlo on April 11 includes distances adapted for youth categories and an open race with distances matching the Juvenile category. The Duatlo on April 12 is held in a cross format over a sprint distance, with a championship race exclusive to licensed athletes and an open race for individuals and relay teams.

The event welcomes a wide range of participants from young athletes born between 2009 and 2019 to adults and masters, with categories for individual and relay participation. The courses feature swimming in municipal pools and running and cycling on mixed surfaces including asphalt, dirt roads, and tartan tracks around the sports park and municipal facilities, offering a varied and accessible competition environment.