2011 IZOD IndyCar World Championship
The 2011 IZOD IndyCar World Championship was the final race of the 2011 IZOD IndyCar series schedule. The event took place at Las Vegas Motor Speedway in Clark County, Nevada on October 16, 2011. The race was stopped following a major accident triggered by drivers trying to avoid light contact between Wade Cunningham and James Hinchcliffe. 15 cars were involved in the wreck, which resulted in the death of two-time Indianapolis 500 winner and 2005 series champion Dan Wheldon. After a delay of over two hours, IndyCar decided to abandon the remaining 188 laps after word of Wheldon's death was relayed to the drivers, though the drivers did complete a five-lap salute in honor of Wheldon.
2011 IZOD IndyCar World Championship
The Las Vegas race was added to the schedule for the 2011 season, replacing the event at Homestead-Miami Speedway as the final race of the IndyCar season. The races at Homestead and the International Speedway Corporation tracks were removed from the schedule following the previous year's season. Las Vegas Motor Speedway was returning to the IndyCar schedule for the first time since 2000, and the event marked the first open-wheel race at the circuit since the Hurricane Relief 400 Champ Car event in 2005. The circuit since was reconfigured in 2006, which saw a greater degree of banking added to the circuit to encourage side-by-side racing. The race was scheduled for 200 laps around the oval, totaling .