Complex sentence: The Dad Vail Regatta, an annual crew competition, is held on the river near Boathouse Row, as is the annual Bayada Regatta, featuring disabled rowers from all over the continent.
Split into simpler sentences: The Dad Vail Regatta, an annual crew competition, is held on the river near Boathouse Row. As is the annual Bayada Regatta, featuring disabled rowers from all over the continent.