 The seventeen UCI WorldTeams were automatically invited and obliged to attend the race . The organiser of the Vuelta , <unk> , was also able to invite five UCI Professional Continental teams – the second tier of professional cycling teams – as wildcards . These were announced on 20 March 2015 . Caja Rural – Seguros RGA , the only Spanish @-@ registered Professional Continental team , was one of those invited , along with two French teams , Cofidis and Team Europcar . MTN – Qhubeka were invited for the second consecutive year after also securing their first ever entry into the Tour de France . The final team to be invited was Colombia . One prominent team to miss out on an entry was UnitedHealthcare . 
