William Byron won the Dayton 500, which was a marathon on Sunday night, after delays from rain and yellow flag caution eventually led to some overtime circles.
And these two extensions were an absolute excitement that saw multiple spin-out and collisions that allowed Byron to win the Dayton 500 for the second year in a row.
Six of the last eight Dayton 500 races ended in extension.
This is a development story. More comes.
