INDIANAPOLIS (AP) — The 100th running of the Indianapolis 500 is the hottest ticket in town, now that race organizers have announced all seats, suites and the infield have been sold out for Sunday's race. The Indianapolis Motor Speedway has almost 250,000 reserved seats and with the infield around the 2.5-mile oval packed in, organizers expect the crowd to be from 350,000 to 375,000.adcelannotate = {"mobilepaywallcategory" : "MOBILE_PREM-BUSINESS","nativepaywallcategory" : "NATIVE_PREM-BUSINESS"};