Once you've found your perfect pair of running shoes, don't forget the importance of selecting the right socks!
"Double layered socks are a must-have professional runners item. They really work in helping to prevent the dreaded blisters," Clayton says.
SHAPE fitness editor Danielle McNally is a fan of Experia Socks by Throlos. "I would recommend those in a second," she says. "They are the best!"