Pilgrimmage (Hajj)

Bukhari :: Book 2 :: Volume 26 :: Hadith 717

Narrated 'Abdullah bin 'Umar :

Allah's Apostle offered a two-Rakat prayer at Mina. Abu Bakr, 'Umar and 'Uthman, (during the early years of his caliphate) followed the same practice.

Source materials are from the University of Southern California MSA site
Hadith eBooks converted from Imaan Star