Rayo Cantabria, formerly known as Real Racing Club de Santander "B" is the reserve team of Racing de Santander, a Spanish football team based in Santander, in the autonomous community of Cantabria. Founded in 1926 as a separate club, affiliated with Racing de Santander from 1951 and incorporated formally into the professional club's structure in 1993, the team currently plays in Segunda Federación – Group 1, holding home games at La Albericia