Extreme Gerês Marathon is organized by Carlos Sá Nature Events in association with the support of the municipality of Terras de Bouro.
On Saturday 5th December 2020 it will take place the 4th Extreme Mile, which will have an average slope of 35% and 525 m D + in just 1 mile. This event has a limited number of entries.
The main races will take place on Sunday 6th December and will be 42 km, 32km, 21 km and 14 km and are not yet approved by the Portuguese Athletics Federation.