Day trippers, you need to know this stuff.
Virtual races and running outside of peak hours are key.
I ended up sacrificing my body and self-esteem, and for what?
He wanted to see how far he could go.
When an athlete with Type 1 diabetes uses himself as a research project.
Though mobile fitness apps can provide inspiration to get out the door, experts say they can be unhealthy and dangerous.
After his teammate broke his leg, this high school senior carried him to the finish
The result has been a crazy bump in speed and in energy.
After celebrating his 50th birthday at 210 pounds, something shifted.
All the news that's fit to print.