Is my attendance in Arafat valid if I could not hear the Imam’s voice clearly due to sitting far away?

Due to heavy rush of the hajis in Arafat I could not get the place to sit in the Masjid-e-Nimra or near to it so naturally I got the place far away from the Masjid, any how I listen the hajj Khutba but the voice of the Imam was not clear, it was not clearly listened by me as well by the other Hajis also sitting with me. In this case, is my attendance in Arafat valid?
In this case is my attendance in Arafat valid?