Patrick, who was running fourth in the 18-car field after starting 17th, went low on the track in an attempt to pass Wheldon on the 88th lap. The cars touched, sending Patrick's car spinning into the infield grass. She straightened it out, but the collision bent the suspension and forced a long pit stop for repairs. She finished eighth.
Wheldon's car was not damaged and he went on to finish third.
