Sahih al-Bukhari 2999
صحيح البخاري#2999Sahihحَدَّثَنَا مُحَمَّدُ بْنُ الْمُثَنَّى، حَدَّثَنَا يَحْيَى، عَنْ هِشَامٍ، قَالَ أَخْبَرَنِي أَبِي قَالَ، سُئِلَ أُسَامَةُ بْنُ زَيْدٍ ـ رضى الله عنهما ـ كَانَ يَحْيَى يَقُولُ وَأَنَا أَسْمَعُ فَسَقَطَ عَنِّي ـ عَنْ مَسِيرِ النَّبِيِّ صلى الله عليه وسلم فِي حَجَّةِ الْوَدَاعِ، قَالَ فَكَانَ يَسِيرُ الْعَنَقَ، فَإِذَا وَجَدَ فَجْوَةً نَصَّ. وَالنَّصُّ فَوْقَ الْعَنَقِ.
Narrated Hisham's father:Usama bin Zaid was asked at what pace the Prophet (ﷺ) rode during Hajjat-ul-Wada`. He said, "He rode at a medium pace, but when he came upon an open way he would go at full pace
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 56:208