Sahih Bukhari
Pilgrimmage (Hajj)
Volume: 002 / Book Number: 026 / Hadith Number: 686
Narrated Um Salama:
(the wife of the Prophet) I informed Allah's Apostle that I was ill. So he said, "Perform the Tawaf while riding behind the people." I did so, and at that time the Prophet was praying beside the Ka'ba and reciting Surat-at-Tur.