CONCORD, N.C. -- Jimmie Johnson's focus on the track has propelled him to a record-tying seven NASCAR Cup Series championships.

Likewise, the champion's dedication to health and fitness has made a big impact in both his professional and personal life.

"That focus on fitness changed my life," Johnson said in an interview with business publication Inc. "Just adding that one layer of discipline was good for me."

In order to keep up with his various athletic ventures, Johnson maintains a weekly workout routine, which Inc. chronicled day-by-day.

From running to biking to swimming to strength, Johnson's workout covers it all.

For a detailed look at Johnson's weekly regimen, click here.