by Duncan Larkin
Near the top of the list: you don't have to be young to start training for them.
by Duncan Larkin, Published Jan. 6, 2011, Updated Jan. 6, 2011 at 8:36 AM UTC
A former Olympian thinks walking in the marathon is good for you.
Stay up-to-date on the latest running content.
Click to Subscribe
© 2014 Competitor Group Inc. All Rights Reserved