Sayyiduna Ibn Abbas (may Allah be pleased with them both) said: "Al-Fadl and I, riding together on a female donkey, ran in front of the Prophet (peace and blessings be upon him) while he was praying on the Day of Arafah, and there was nothing between us and him to form a barrier."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 11126