Skipper Nerea perez Plaza of Donostiarra rowing boat in action XV Zarauzko Ikurrina women’s regatta of the Euskotren league . Zarautz (Basque Country). August 20, 2023. The Euskotren league is a rowing competition where the 8 best women's ‘Traineras’or rowing boats from the Cantabrian coast participate. The ‘Trainera’ is a fixed bench rowing boat, made up of 13 rowers and a skipper. The League is competed every summer between the months of July and August with regatas in several coastal towns in Galicia and the Basque County. (Gari Garaialde / Bostok Photo)