The Rites of Hajj (Kitab Al-Manasik Wa'l-Hajj)
Dawud :: Book 10 : Hadith 1883
Narrated Aisha, Ummul Mu'minin:
The Apostle of Allah (peace_be_upon_him) said: Going round the House (the Ka'bah), running between as-Safa and lapidation of the pillars are meant for the remembrance of Allah.