Get a closer look at the 100-mile journey Leadville runners go on.
The 2015 "Race Across The Sky" is slated for Aug. 22.
If you're an ultrarunner, you'll love this short video of the 2014 Leadville 100 that took place Aug. 16-17 in the high country of Colorado.
The Colorado native shares some details about his training and also provides some tips for Leadville rookies.
Patience pays off at over 10,000 feet.
Defending champs, along with other ultrarunning stars, will be on the starting line.