Stage races One-day races and Classics Constantino Zaballa Gutiérrez (born 15 May 1978 in La Hayuela, Cantabria, Spain) is a Spanish former professional road racing cyclist, best known for winning Clásica de San Sebastián in 2005.

Towards the end of his career, Zaballa ventured into cyclocross with the Club Ciclistica Udías.

This biographical article related to a Spanish cycling person born in the 1970s is a stub.

You can help Wikipedia by expanding it.