Sahih al-Bukhari 1676
صحيح البخاري#1676SahihNarrated Salim:`Abdullah bin `Umar used to send the weak among his family early to Mina. So they used to depart from Al-Mash'ar Al-Haram (that is Al-Muzdalifa) at night (when the moon had set) and invoke Allah as much as they could, and then they would return (to Mina) before the Imam had started from Al- Muzdalifa to Mina. So some of them would reach Mina at the time of the Fajr prayer and some of them would come later. When they reached Mina they would throw pebbles on the Jamra (Jamrat-Al- `Aqaba) Ibn `Umar used to say, "Allah's Messenger (ﷺ) gave the permission to them (weak people) to do so
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 25:156