LONG BEACH, California — Tying a career-best for the second consecutive race, Jimmie Johnson closed out his rookie season Sunday in the NTT IndyCar Series with his biggest in-race improvement yet.

NASHVILLE — Summarizing another eventful weekend in the NTT IndyCar Series, this time on the chaotic streets of the Music City Grand Prix, Jimmie Johnson had a point to make about his rookie season.

The history of American motorsports, especially NASCAR, is often defined by what-if moments. Split-second decisions on the race track often alter the course of the championship. For Jimmie Johnson, ...

Tony Kanaan and Jimmie Johnson were INDYCAR teammates for two years at Chip Ganassi Racing, competing in the twilight of their storied racing careers. Just three years later, both were running race ...