I'm A Competitor

The SportsCenter anchor will be handling the NYC Marathon broadcast duties.

This business professional, who was named the most admired CEO of 2010 by one publication, is not your everyday runner.

This former NFL quarterback used running as part of his training regimen during his playing career. He still does.

This former professional cyclist-turned-sommelier is not your everyday runner.

The 48-year-old balances family and work life with training for endurance sports.

Six-time NASCAR Sprint Cup Series champion Jimmie Johnson is a darn good runner.

The Boston Celtics assistant coach will run the Boston Marathon on April 21.

Marriott International Inc. CEO Arne Sorenson talks about his passion for running and leading a healthy lifestyle.

The rockstar likes to roll for miles on end, preferably off-road.

The country musician dropped 70 pounds and is now an Ironman and marathon runner.

A Q&A with KidRobot president and avid ultra-endurance athlete Bob Africa.

This bestselling author likes to run, and he still owns a record from his college days.