It is narrated from the mother of the children of Shaibah bin Uthman that she saw the Prophet (peace be upon him) walking between Safa and Marwah, and he was saying that the place of Abtah should only be crossed by running.
Hadith Referenceمسند احمد / من مسند القبائل / 27280
Hadith Gradingحکم دارالسلام:حديث حسن، وهذا إسناد ضعيف لاضطرابه