A record-smashing race on a beautiful Boston morning.
Molly Huddle now owns the American 5,000m record on both the track and the road.
For his second marathon, the former track star is taking a completely new approach to racing.
The Boston Marathon Expo opened up to thousands of visitors.
The 32-year-old is feeling relaxed and confident heading into his second Boston Marathon.
See how the top Americans are feeling just a couple days out.
As races seek faster and faster times, the Boston Marathon clings tight to its roots.
Weather is always on the mind of Boston Marathon runners, and with good reason.
The 31-year-old comes into this year's Boston Marathon riding a wave of momentum after scratching from last year's race.
The Michigan native wants to do well in Boston, but more importantly, he wants to stay healthy.