Narrated Ibn 'Umar (RA):

The Prophet (ﷺ) assigned az-Zubair the land his horse could cover at a run. He made his horse run, and when it stopped he threw his whip. He then said, "Give to him up to the spot his has reached. [Reported by Abu Dawud, but it has weakness].

وَعَنْ اِبْنِ عُمَرَ ‏-رَضِيَ اَللَّهُ عَنْهُمَا‏- { أَنَّ اَلنَّبِيَّ ‏- صلى الله عليه وسلم ‏-أَقْطَعَ اَلزُّبَيْرَ حُضْرَ فَرَسِهِ , فَأَجْرَى اَلْفَرَسَ حَتَّى قَامَ , ثُمَّ رَمَى سَوْطَهُ.‏ فَقَالَ : " أَعْطُوهُ حَيْثُ بَلَغَ اَلسَّوْطُ } رَوَاهُ أَبُو دَاوُدَ وَفِيهِ ضَعْفٌ [1]‏ .‏