Sahih al-Bukhari 3857

It is related that Ibn 'Abbas said, "The Messenger of Allah, may Allah bless him and grant him peace, and his Companions arrived and the idolaters said, 'A delegation has come to you which has been weakened by the fever of Yathrib.' So the Prophet, may Allah bless him and grant him peace, commanded them to walk fast for the first three circuits, walking normally between the two corners. If it had not been for his kind-heartedness towards them he would have commanded them to walk fast for every one of the circuits." It is related that Ibn 'Abbas said, "When the Prophet, may Allah bless him and grant him peace, arrived in the year in which he had been promised security, he said, 'Walk fast' in order to show the idolaters their strength. They idolaters were in the direction of Qu'ayqi'an." [Qu'ayqi'an: a mountain in Makka.]