OneMain Financial returns as title sponsor of fall Nationwide race at Dover: OneMain Financial and Dover International Speedway have announced a renewed partnership for 2012 with OneMain Financial returning as the title sponsor of the fall NASCAR Nationwide Series race at the Monster Mile, the Sept. 29, 2012 ‘OneMain Financial 200.â This will be the second straight year OneMain Financial will sponsor the fall NASCAR Nationwide Series race at Dover. The company’s NASCAR presence continues to grow, as it is the primary sponsor of the Richard Childress Racing #2 OneMain Financial Chevy, driven by Elliott Sadler, in the Nationwide Series again this year. Sadler has already piloted the car to Victory Lane twice this season, winning at Phoenix International Raceway on March 3 and Bristol Motor Speedway on March 17. The Sept. 29 ‘OneMain Financial 200â NASCAR Nationwide Series race is part of another triple-header NASCAR weekend at the Monster Mile that also includes the Sept. 28 NASCAR K&N; Pro Series East race and the Sept. 30 ‘AAA 400â NASCAR Sprint Cup Series race.(Dover Speedway)(4-3-2012)