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This May 30, 1911 photo shows Ray Harroun driving his No. 32 Marmon Wasp race car to victory in the inaugural Indianapolis 500 auto race at the Indianapolis Motor Speedway, in Indianapolis, Drivers chasing a career-defining victory in the Indianapolis 500 are under even more pressure than usual this year as the storied race ramps up to celebrate its 100th anniversary. (KEYSTONE/AP Photo)