This year the highest number of participants ever will be taking part, with 660 skaters, from 27 countries, representing nearly two hundred clubs all coming to the 19th edition of the Terras do Infante International Tournament.
The first two days will feature races with the Júlio Dantas Secondary School track as the stage, and on the third and final day, only in the morning, Avenida dos Descobrimentos (100m and Marathon - 42Km) and the city's roads will be the venue for the skaters from four continents.
Lagos council warns that the races will impose restrictions on traffic in the city this Sunday.
Entry is free and there will be a fair selling skating equipment for the entire public to enjoy.