Ibn Ibad (may Allah have mercy on him) narrates from his father, who said: I saw the Messenger of Allah (peace and blessings be upon him) standing at a place before he was sent (as a prophet), then after he was sent I saw him (peace and blessings be upon him) standing at that same place in Arafat.
Hadith Referenceالمعجم الكبير للطبراني / باب الراء / 4576