As the miles went by, runners began to drop off the back of the lead pack. Jenny Crain, 37, of Milwaukee, Wisconsin, trails the leaders slightly. Laura Turner leads Zoila Gomez. Turner, 26, was a top runner for BYU. As the runners headed back up Memorial Drive in the fourth mile, Marie Davenport, Aster Demissie, Katie McGregor, and Amy Yoder-Begley led the way.
As the miles went by, runners began to drop off the back of the lead pack. Jenny Crain, 37, of Milwaukee, Wisconsin, trails the leaders slightly. Laura Turner leads Zoila Gomez. Turner, 26, was a top runner for BYU. As the runners headed back up Memorial Drive in the fourth mile, Marie Davenport, Aster Demissie, Katie McGregor, and Amy Yoder-Begley led the way.
Carrie Tollefson, the 2004 USA 1,500 meter champion, trailed the lead group slightly. The race features two out-and-back sections during which those further back in the race can catch a glimpse of the front-runners.
Carrie Tollefson, the 2004 USA 1,500 meter champion, trailed the lead group slightly.     The race features two out-and-back sections during which those further back in the race can catch a glimpse of the front-runners.  
Athletes gradually fell off the back of the pack, and just under 20 minutes into the race, the lead pack was down to four athletes. Amy Mortimer runs in fifth place, ahead of Carrie Tollefson, Emilie Mondor, and Sylvia Mosqueda. Carrie Tollefson - who usually runs a maximum of 5,000 meters on the track - runs in sixth place. Sylvia Mosqueda (right) and Emilie Mondor run 7-8 in the fourth mile. A wheelchair competitor makes the turn onto the Harvard Bridge to head back over into Boston. (Must of the race is run in Cambridge.)
Athletes gradually fell off the back of the pack, and just under 20 minutes into the race, the lead pack was down to four athletes. Amy Mortimer runs in fifth place, ahead of Carrie Tollefson, Emilie Mondor, and Sylvia Mosqueda. Carrie Tollefson - who usually runs a maximum of 5,000 meters on the track - runs in sixth place. Sylvia Mosqueda (right) and Emilie Mondor run 7-8 in the fourth mile. A wheelchair competitor makes the turn onto the Harvard Bridge to head back over into Boston. (Must of the race is run in Cambridge.)
The leaders get ready to make the turn onto the Harvard Bridge, shortly after the four-mile mark. Marie Davenport (right) and Katie McGregor run shoulder to shoulder with Ethiopia's Aster Demissie in third. Amy Yoder-Begley had dropped back ever so slightly but was still within striking distance of the leaders. Amy Yoder-Begley. Marie Davenport and Katie McGregor lead the way over the bridge.
The leaders get ready to make the turn onto the Harvard Bridge, shortly after the four-mile mark. Marie Davenport (right) and Katie McGregor run shoulder to shoulder with Ethiopia's Aster Demissie in third. Amy Yoder-Begley had dropped back ever so slightly but was still within striking distance of the leaders. Amy Yoder-Begley. Marie Davenport and Katie McGregor lead the way over the bridge.