Hipódromo de San Sebastián Activity · Lasarte-Oria, Donostialdea, Gipuzkoa Racecourse opened in 1916 in the Zubieta neighborhood, next to the Oria river, home to horse races and the San Sebastián International Cross Country. 1916 Photo: Estitxu Carton from San Sebastián, Spain (CC BY-SA 2.0) What to see and do in Lasarte-Oria