UK Athletics Championship: Sarah Calvert wins Women`s 1500m final ahead of Laura Muir

UK Athletics Championship: Sarah Calvert wins Women`s 1500m final ahead of Laura Muir

David Muir apologizes to viewers for move to very different ABC show

David Muir apologizes to viewers for move to very different ABC show

`It`s crazy` as Sarah Calvert shocks Laura Muir in `biggest upset of weekend`

`It`s crazy` as Sarah Calvert shocks Laura Muir in `biggest upset of weekend`