Boston Marathon runners rest up in Athlete's Village, in Hopkinton, Mass., Monday, April 20, 2009, prior to the start of the 113th Boston Marathon. More than 26,000 runners will participate in today's race.
Paula Goldman of Santa Cruz, Calif., tries to keep warm as she waits in Athlete's Village, in Hopkinton, Mass., Monday, April 20, 2009, prior to the start of the 113th Boston Marathon.
Elite men runners prepare to cross the start line of the 113th Boston Marathon in Hopkinton, Mass., Monday, April 20, 2009. More than 26,000 runners participated in the race.
Men's elite runners cross the start line of the 113th Boston Marathon in Hopkinton, Mass., Monday, April 20, 2009. More than 26,000 runners participated in the race.
The group of elite women runners begin the course at the starting line of the 113th Boston Marathon in Hopkington, Mass., Monday morning, April 20, 2009.
Part of more than 26,000 runners cross the start line during the 113th Boston Marathon, heading toward Boston from downtown Hopkinton, Mass., Monday, April 20, 2009.
Boston Marathon elite women runners make their way through Wellesley, Mass., during the 113th Boston Marathon, Monday, April 20, 2009.
Boston Marathon runners Salina Kosgei, of Kenya, left, defending champion Dire Tune, of Ethiopia, center, and Kara Goucher, of the U.S., right, make their way to the finish during the 113th Boston Marathon, Monday, April 20, 2009 in Boston. Kosgei took first, Tune took second and Goucher came in third in the women's race.
Womens winner Salina Kosgei of Kenya breaks the tape ahead of Dire Tune, left, of Ethiopia, at the finish line in Boston at the 113th running of the Boston Marathon Monday, April 20, 2009.
Dire Tune of Ethiopia, left, falls after crossing the finish line in second place as Salina Kosgei of Kenya raises her arms after she narrowly won the women's division of the 113th Boston Marathon, Monday, April 20, 2009, in Boston.
Kara Goucher of Portland, Ore., reacts after crossing the finish line to take third place in the women's divison of the 113th Boston Marathon, Monday, April 20, 2009, in Boston. Goucher, who lead for most of the race, lost the foot race with Salina Kosgei of Kenya and Dire Tune of Ethiopia in the final half mile.
Deriba Merga, of Ethiopia, front right, eventual winner of the 113th Boston Marathon's men's race, takes a drink at a water station, in Newton, Mass., as second place finisher Daniel Rono, center, follows behind, after completing about 18 miles of the 26.2 miles race, Monday, April 20, 2009.
Deriba Merga of Ethiopia is alone as he runs the final blocks of the 113th Boston Marathon unchallenged, Monday, April 20, 2009, in Boston.
Men's winner Deriba Merga of Ethiopia crosses the finish line in Boston at the 113th running of the Boston Marathon Monday, April 20, 2009.
Mens winner Deriba Merga of Ethiopia holds his trophy at the finish line in Boston at the 113th running of the Boston Marathon Monday, April 20, 2009.
Participants in the wheelchair division of the 113th Boston Marathon race down the course from the starting line in Hopkington, Mass., Monday morning, April 20, 2009.