WHAT'S INSIDE: RUNNING
- Running Events
- Running Health
- Running Training
A marathon is a grueling event that involves running for more than 26 miles. So, what makes a tough marathon? How about rocky terrain, steep inclines and extreme weather? Here's a rundown of the world's most punishing marathons.
All you need to run is a pair of good shoes and the open road. That said, the sport could be a lot more eco-friendly. How do the world's greenest running events toe the line?