أَخْبَرَنَا أَبُو عَمَّارٍ الْحُسَيْنُ بْنُ حُرَيْثٍ، قَالَ أَنْبَأَنَا سُفْيَانُ، عَنْ عَمْرٍو، عَنْ عَطَاءٍ، عَنِ ابْنِ عَبَّاسٍ، قَالَ إِنَّمَا سَعَى النَّبِيُّ صلى الله عليه وسلم بَيْنَ الصَّفَا وَالْمَرْوَةِ لِيُرِيَ الْمُشْرِكِينَ قُوَّتَهُ ‏.‏

It was narrated that Ibn Abbas said: "The Prophet walked rapidly betwwne As-Safa and Al-Marwah to show the idolaters that he was strong." Translation Not Available

Book Ref: Sunan An Nisai Book 24 Hadith 2979
Web Ref:  Sunan An Nisai Vol 3 Book 24 Hadith 2982