A guide to the four obstacle course racing championship events this fall.
The city is also slated to host the 2016 Olympic Trials Marathon.
Cody Moat will be a top contender in the 2014 Spartan Race World Championships.
The Americans will go against a strong international field at the Rock 'N' Roll Philadelphia Half Marathon.
Yusuke Kirimoto went from 270 pounds to 168 through a diet and exercise regimen that includes running.
Harold Bach only started seriously running in his 70s.
The field size for the 2015 race will not exceed 30,000 runners.
The American won the race down one of New York's most famous streets in 2011 and 2013.
The Indiana optometrist has run three dozen Rock ’n’ Roll Series races since picking up the sport four years ago.
New apparel company is the latest running brand to hit Kickstarter.