The 2007 IRL IndyCar Series began with a night race on Saturday March 24 at Homestead-Miami Speedway.

Dario Franchitti won four races during the season, including the Indy 500, clinched the 2007 IndyCar Series championship after he won the final race of the season at Chicagoland Speedway, after points leader Scott Dixon ran out of fuel in turn 3 of the final lap.

It was the final season that IndyCar Series ran independently before the IRL merged with Champ Car in 2008.

[6] On December 14, 2006, it was announced that Marquis Sports Marketing, a Dallas-based company, was in coordination to add another race to the 2007 schedule.

A non-points, exhibition race in the streets of Biloxi, Mississippi was in the planning stages for September or October 2007 as an effort to revitalize the hurricane-ravaged Gulf Coast.