Your Challenge:

Track 26 (we'll spot you the 0.2) miles ran by the challenge end date. Run them all at once or stretch it out, your choice.

Why Do This?

Running not only builds cardiovascular health, muscle tone and endurance, but it just might lead you to experience the all-elusive "runner's high". Runner's high is a euphoric state that comes from the mega-release of endorphins during exercise. Many who run say they tend to experience it after a certain distance—find out what yours is.

• National Bestseller Born to Run by Christopher McDougall just might make you want to run 100 miles.
• How to Choose a Running Shoe, therunningadvisor.com
• Nutrition and Weight Loss from Runner’s World
  

RunKeeper
(Free; iTunes, Android)

Jog Log Pro
($1.99; iTunes)

Running Tips
($0.99; iTunes)