Infographic: Top-5 Biggest U.S. Marathons

About the Author

Michael Clarke

Michael Clarke is an online video editor for Active.com. His favorite part of the job is covering inspiring races and athletes who push themselves to be the best they can be.

Michael Clarke is an online video editor for Active.com. His favorite part of the job is covering inspiring races and athletes who push themselves to be the best they can be.

Discuss This Article