Rayo Cantabria was founded in 1926 as Gimnástica de Miranda, A
new Rayo Cantabria, who started playing as an independent club in the regional leagues from 1993, Racing B have since played nine seasons in Segunda B, lasting no more than two years in any single spell at that level; they would usually meet Dep. Rayo when relegated back to the fourth tier, and finished below their 'sibling' club on three occasions. In 2018, previous manager Ángel Meñaca was recognised by the city of Santander for his lifetime efforts and contributions towards the running of both the original Rayo up to 1993 and the 'new' Rayo from then on. In summer 2019, Racing de Santander successfully applied to have their B-team renamed as Rayo Cantabria going forward; ==Club names==