IZOD IndyCar World Championships
The IZOD IndyCar World Championship Presented by Honda was an IndyCar Series race on the Las Vegas Motor Speedway, held from 1996–2000, and again in 2011. It was first known as the Las Vegas 500k. The Champ Car World Series held a race at the track during the 2004 and 2005 seasons as doubleheaders with the NASCAR Camping World Truck Series and a street race was held in Las Vegas at the Fremont Street Experience in 2007.
Illinois Women's Open
The traditional dates of the Illinois Women's Open are the Thursday, Friday and Saturday immediately following the week of the British Open Championship in late July. The IWO championship field is limited to the top 84 players, and a qualifying round to determine the final field is scheduled if needed. The event's home course is the upland links-style Mistwood Golf Club in Romeoville, Illinois, designed by Ray Hearn.