It wasnarrated that Ibn 'Umar said:
"If I go quickly between SafaandMarwah, that is because I saw the Messenger of Allah (ﷺ) goingquickly, and if I walk that is because I saw the Messenger of Allah(ﷺ) walking, even though I am an old man." (PT)
English reference (PT): Vol. 4, Book 25, Hadith 2988 (PT)
Arabic reference (PT): Book 25, Hadith 3102 (PT)