[Machine] The Messenger of Allah, peace be upon him, used to lag behind during marches to accommodate the weak, and he repeated and prayed for them. This is a Sahih (authentic) report according to the condition of Muslim, and it has not been excluded according to the condition of Muslim.
كَانَ رَسُولُ اللَّهِ ﷺ «يَتَخَلَّفُ عَنِ الْمَسِيرِ فَيُزْجِي الضَّعِيفَ وَيُرْدِفُ وَيَدْعُو لَهُمْ» صَحِيحٌ عَلَى شَرْطِ مُسْلِمٍ وَلَمْ يُخَرِّجَاهُ على شرط مسلم