Michigan International Speedway president Roger Curtis is leaving his position immediately to pursue other opportunities, International Speedway Corporation announced Tuesday. ISC chief operating officer Joie Chitwood will oversee MIS operations in the interim.Curtis, an Indiana State University graduate who began working at MIS in 2006, has spent more than 30...

By Dave LewandowskiPublished: Jun 21, 2015Auto Club Speedway hosts the MAVTV 500 on June 27 -- two month earlier than the 2014 Verizon IndyCar Series race at the 2-mile oval. Dave Allen, who was named president of the facility in December, talks about his tenure at the venue and what...