Scott Dixon driving for Chip Ganassi Racing qualified in last position but was able to drive through the field to win the IndyCar race at Mid-Ohio, making it his fifth win at the track in eight races.
Polesitter Sebastien Bourdais finished second while James Hinchcliffe held on to finish third.
In a dramatic twist to the top of the championship standings, Australian Will Power driving for Team Penske returned back to the points lead by finishing sixth.
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