Will Power, of Australia, drives the the first turn during a practice session on the opening day of qualifications for the Indianapolis 500 auto race at Indianapolis Motor Speedway in Indianapolis, Saturday, May 21, 2016. (AP Photo/Michael Conroy)
INDIANAPOLIS (AP) James Hinchcliffe posted the fastest four-lap average in Indianapolis 500 qualifying Saturday to take the top seed into the pole shootout Sunday.
The Canadian driver for Schmidt Peterson Motorsports hung on after moving past three-time race winner Helio Castroneves in the final 40 minutes. Hinchcliffe finished at 230.946 mph.
Ryan Hunter-Reay, the 2014 Indy winner, moved into second on the second-to-last run of the day at 230.805. Team Penske's Will Power was third at 230.736, and Castroneves fourth at 230.500.
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All 33 starting positions will be set Sunday. The nine fastest from Saturday advanced to the shootout.
Weather changes made for a wild day on the 2.5-mile oval, with the lead switching hands twice in the final 45 minutes and bumping for the shootout taking place until the session's final run.