Mu’adh b. Jabal would pray along with the Messenger of Allah ﷺin the night prayer, then go and lead his people and lead them in the same prayer.  

أَنَّ مُعَاذَ بْنَ جَبَلٍ كَانَ يُصَلِّي مَعَ رَسُولِ اللَّهِ ﷺ الْعِشَاءَ ثُمَّ يَأْتِي قَوْمَهُ فَيُصَلِّي بِهِمْ تِلْكَ الصَّلاَةَ  

Mu’adh b. Jabal would pray along the prophet ﷺ, then go and lead his people in prayer.  

سَمِعَ جَابِرَ بْنَ عَبْدِ اللَّهِ يَقُولُ إِنَّ مُعَاذًا كَانَ يُصَلِّي مَعَ النَّبِيِّ ﷺ ثُمَّ يَرْجِعُ فَيَؤُمُّ قَوْمَهُ