Sayyiduna Abu Juhayfah (may Allah be pleased with him) said: I prayed two rak'ahs with the Prophet (peace and blessings be upon him) at Mina; then he (peace and blessings be upon him) continued to pray two rak'ahs for each prayer until he returned to Madinah.
Hadith Referenceالمعجم الكبير للطبراني / باب الواو / 18471