Boston Marathon begins amid heavy security

Yahoo Sports

The 118th running of the Boston Marathon has begun amid heavy security a year after the bombings near the race's finish line that killed three people and wounded more than 260 others.

The race began at 8:50 a.m. Monday for mobility-impaired marathoners and at 9:32 a.m. for elite women. The elite male runners start at 10 a.m.
Associated Press

A Boston Police bomb detection dog sits near the finish line of the 118th Boston Marathon Monday, April 21, 2014 in Boston. (AP Photo/Robert F. Bukaty)
A Boston Police bomb detection dog sits near the finish line of the 118th Boston Marathon Monday, April 21, 2014 in Boston. (AP Photo/Robert F. Bukaty)
A Boston Police bomb detection dog sits near the finish line of the 118th Boston Marathon Monday, April 21, 2014 in Boston. (AP Photo/Robert F. Bukaty)
A military police officer salutes during opening ceremonies of the 118th Boston Marathon Monday, April 21, 2014 in Hopkinton, Mass. (AP Photo/Steven Senne)
A military police officer salutes during opening ceremonies of the 118th Boston Marathon Monday, April 21, 2014 in Hopkinton, Mass. (AP Photo/Steven Senne)
A military police officer salutes during opening ceremonies of the 118th Boston Marathon Monday, April 21, 2014 in Hopkinton, Mass. (AP Photo/Steven Senne)
HOPKINGTON, MA - APRIL 21: A Military Police officer stands guard prior to the start of the Boston Marathon on April 21, 2014 in Hopkington, Massachusetts. Today marks the 118th Boston Marathon; security presence has been increased this year, due to two bombs that were detonated at the finish line last year, killing three people and injuring more than 260 others. (Photo by Andrew Burton/Getty Images)
2014 B.A.A. Boston Marathon
HOPKINGTON, MA - APRIL 21: A Military Police officer stands guard prior to the start of the Boston Marathon on April 21, 2014 in Hopkington, Massachusetts. Today marks the 118th Boston Marathon; security presence has been increased this year, due to two bombs that were detonated at the finish line last year, killing three people and injuring more than 260 others. (Photo by Andrew Burton/Getty Images)
Police officers give a rundown of the scene at Wellesley College to a State Police Special Response team before the start of the 118th Boston Marathon Monday, April 21, 2014 in Wellesley. (AP Photo/Mary Schwalm)
Police officers give a rundown of the scene at Wellesley College to a State Police Special Response team before the start of the 118th Boston Marathon Monday, April 21, 2014 in Wellesley. (AP Photo/Mary Schwalm)
Police officers give a rundown of the scene at Wellesley College to a State Police Special Response team before the start of the 118th Boston Marathon Monday, April 21, 2014 in Wellesley. (AP Photo/Mary Schwalm)
Boston Police officers on bicycles ride across the finish line before the 118th Boston Marathon Monday, April 21, 2014 in Boston. (AP Photo/Elise Amendola)
Boston Police officers on bicycles ride across the finish line before the 118th Boston Marathon Monday, April 21, 2014 in Boston. (AP Photo/Elise Amendola)
Boston Police officers on bicycles ride across the finish line before the 118th Boston Marathon Monday, April 21, 2014 in Boston. (AP Photo/Elise Amendola)
A heavy police presence stand guard in Boylston Street near the finish line of the Boston Marathon, April 21, 2014. REUTERS/Gretchen Ertl (UNITED STATES - Tags: SPORT ATHLETICS)
A heavy police presence stand guard in Boylston Street near the finish line of the Boston Marathon
A heavy police presence stand guard in Boylston Street near the finish line of the Boston Marathon, April 21, 2014. REUTERS/Gretchen Ertl (UNITED STATES - Tags: SPORT ATHLETICS)
Boston Police officers receive instructions from their supervisor near the finish line before the 118th Boston Marathon Monday, April 21, 2014 in Boston. (AP Photo/Robert F. Bukaty)
Boston Police officers receive instructions from their supervisor near the finish line before the 118th Boston Marathon Monday, April 21, 2014 in Boston. (AP Photo/Robert F. Bukaty)
Boston Police officers receive instructions from their supervisor near the finish line before the 118th Boston Marathon Monday, April 21, 2014 in Boston. (AP Photo/Robert F. Bukaty)
Massachusetts State Police and military police gather before the start of the 118th Boston Marathon Monday, April 21, 2014 in Hopkinton, Mass. (AP Photo/Michael Dwyer)
Massachusetts State Police and military police gather before the start of the 118th Boston Marathon Monday, April 21, 2014 in Hopkinton, Mass. (AP Photo/Michael Dwyer)
Massachusetts State Police and military police gather before the start of the 118th Boston Marathon Monday, April 21, 2014 in Hopkinton, Mass. (AP Photo/Michael Dwyer)
A Boston police officer and security dog pass by the photo bridge at the finish line for the 118th Boston Marathon Monday, April 21, 2014 in Boston. (AP Photo/Elise Amendola)
A Boston police officer and security dog pass by the photo bridge at the finish line for the 118th Boston Marathon Monday, April 21, 2014 in Boston. (AP Photo/Elise Amendola)
A Boston police officer and security dog pass by the photo bridge at the finish line for the 118th Boston Marathon Monday, April 21, 2014 in Boston. (AP Photo/Elise Amendola)
BOSTON, MA - APRIL 21: Police officers and a K-9 unit patrol Boylston Street next to the closed down MBTA Copley station prior to the start of the 2014 B.A.A. Boston Marathon on April 21, 2014 in Boston, Massachusetts. Today marks the 118th Boston Marathon; security presence has been increased this year, due to two bombs that were detonated at the finish line last year, killing three people and injuring more than 260 others. (Photo by Jared Wickerham/Getty Images)
2014 B.A.A. Boston Marathon
BOSTON, MA - APRIL 21: Police officers and a K-9 unit patrol Boylston Street next to the closed down MBTA Copley station prior to the start of the 2014 B.A.A. Boston Marathon on April 21, 2014 in Boston, Massachusetts. Today marks the 118th Boston Marathon; security presence has been increased this year, due to two bombs that were detonated at the finish line last year, killing three people and injuring more than 260 others. (Photo by Jared Wickerham/Getty Images)
A member of the Massachusetts Department of Fire Services Haz-Mat crew affixes a device to the back of a street sign in front of Wellesley College before the start of the 118th Boston Marathon Monday, April 21, 2014 in Wellesley, Mass.. (AP Photo/Mary Schwalm)
A member of the Massachusetts Department of Fire Services Haz-Mat crew affixes a device to the back of a street sign in front of Wellesley College before the start of the 118th Boston Marathon Monday, April 21, 2014 in Wellesley, Mass
A member of the Massachusetts Department of Fire Services Haz-Mat crew affixes a device to the back of a street sign in front of Wellesley College before the start of the 118th Boston Marathon Monday, April 21, 2014 in Wellesley, Mass.. (AP Photo/Mary Schwalm)
Quincy, Mass., police stand near the starting line of the 118th Boston Marathon Monday, April 21, 2014 in Hopkinton, Mass. (AP Photo/Michael Dwyer)
Quincy, Mass., police stand near the starting line of the 118th Boston Marathon Monday, April 21, 2014 in Hopkinton, Mass
Quincy, Mass., police stand near the starting line of the 118th Boston Marathon Monday, April 21, 2014 in Hopkinton, Mass. (AP Photo/Michael Dwyer)
Buses carrying runners arrive at sunrise in Hopkinton, Mass., for the start of the 118th Boston Marathon Monday, April 21, 2014. (AP Photo/Michael Dwyer)
Buses carrying runners arrive at sunrise in Hopkinton, Mass., for the start of the 118th Boston Marathon Monday, April 21, 2014
Buses carrying runners arrive at sunrise in Hopkinton, Mass., for the start of the 118th Boston Marathon Monday, April 21, 2014. (AP Photo/Michael Dwyer)
HOPKINGTON, MA - APRIL 21: A Military Police officer stands guard in a cemetary prior to the start of the Boston Marathon on April 21, 2014 in Hopkington, Massachusetts. Today marks the 118th Boston Marathon; security presence has been increased this year, due to two bombs that were detonated at the finish line last year, killing three people and injuring more than 260 others. (Photo by Andrew Burton/Getty Images)
2014 B.A.A. Boston Marathon
HOPKINGTON, MA - APRIL 21: A Military Police officer stands guard in a cemetary prior to the start of the Boston Marathon on April 21, 2014 in Hopkington, Massachusetts. Today marks the 118th Boston Marathon; security presence has been increased this year, due to two bombs that were detonated at the finish line last year, killing three people and injuring more than 260 others. (Photo by Andrew Burton/Getty Images)
HOPKINGTON, MA - APRIL 21: A Massachusetts State Police officer stands guard prior to the start of the Boston Marathon on April 21, 2014 in Hopkington, Massachusetts. Today marks the 118th Boston Marathon; security presence has been increased this year, due to two bombs that were detonated at the finish line last year, killing three people and injuring more than 260 others. (Photo by Andrew Burton/Getty Images)
2014 B.A.A. Boston Marathon
HOPKINGTON, MA - APRIL 21: A Massachusetts State Police officer stands guard prior to the start of the Boston Marathon on April 21, 2014 in Hopkington, Massachusetts. Today marks the 118th Boston Marathon; security presence has been increased this year, due to two bombs that were detonated at the finish line last year, killing three people and injuring more than 260 others. (Photo by Andrew Burton/Getty Images)
HOPKINGTON, MA - APRIL 21: Law enforcement officials, media, runners, administrators and volunteers mill about prior to the start of the Boston Marathon on April 21, 2014 in Hopkington, Massachusetts. Today marks the 118th Boston Marathon; security presence has been increased this year, due to two bombs that were detonated at the finish line last year, killing three people and injuring more than 260 others. (Photo by Andrew Burton/Getty Images)
2014 B.A.A. Boston Marathon
HOPKINGTON, MA - APRIL 21: Law enforcement officials, media, runners, administrators and volunteers mill about prior to the start of the Boston Marathon on April 21, 2014 in Hopkington, Massachusetts. Today marks the 118th Boston Marathon; security presence has been increased this year, due to two bombs that were detonated at the finish line last year, killing three people and injuring more than 260 others. (Photo by Andrew Burton/Getty Images)
HOPKINGTON, MA - APRIL 21: A Massachusetts State Police officer stands guard prior to the start of the Boston Marathon on April 21, 2014 in Hopkington, Massachusetts. Today marks the 118th Boston Marathon; security presence has been increased this year, due to two bombs that were detonated at the finish line last year, killing three people and injuring more than 260 others. (Photo by Andrew Burton/Getty Images)
2014 B.A.A. Boston Marathon
HOPKINGTON, MA - APRIL 21: A Massachusetts State Police officer stands guard prior to the start of the Boston Marathon on April 21, 2014 in Hopkington, Massachusetts. Today marks the 118th Boston Marathon; security presence has been increased this year, due to two bombs that were detonated at the finish line last year, killing three people and injuring more than 260 others. (Photo by Andrew Burton/Getty Images)
HOPKINGTON, MA - APRIL 21: A Military Police officer stands guard prior to the start of the Boston Marathon on April 21, 2014 in Hopkington, Massachusetts. Today marks the 118th Boston Marathon; security presence has been increased this year, due to two bombs that were detonated at the finish line last year, killing three people and injuring more than 260 others. (Photo by Andrew Burton/Getty Images)
2014 B.A.A. Boston Marathon
HOPKINGTON, MA - APRIL 21: A Military Police officer stands guard prior to the start of the Boston Marathon on April 21, 2014 in Hopkington, Massachusetts. Today marks the 118th Boston Marathon; security presence has been increased this year, due to two bombs that were detonated at the finish line last year, killing three people and injuring more than 260 others. (Photo by Andrew Burton/Getty Images)
HOPKINGTON, MA - APRIL 21: Law enforcement officials patrol the start of the Boston Marathon with dogs on April 21, 2014 in Hopkington, Massachusetts. Today marks the 118th Boston Marathon; security presence has been increased this year, due to two bombs that were detonated at the finish line last year, killing three people and injuring more than 260 others. (Photo by Andrew Burton/Getty Images)
2014 B.A.A. Boston Marathon
HOPKINGTON, MA - APRIL 21: Law enforcement officials patrol the start of the Boston Marathon with dogs on April 21, 2014 in Hopkington, Massachusetts. Today marks the 118th Boston Marathon; security presence has been increased this year, due to two bombs that were detonated at the finish line last year, killing three people and injuring more than 260 others. (Photo by Andrew Burton/Getty Images)
BOSTON, MA - APRIL 21: Police officers monitor runners getting ready to run the Boston Marathon in the Boston Commons on April 21, 2014 in Boston, Massachusetts. Today marks the 118th Boston Marathon; security presence has been increased this year, due to two bombs that were detonated at the finish line last year, killing three people and injuring more than 260 others. (Photo by Andrew Burton/Getty Images)
2014 B.A.A. Boston Marathon
BOSTON, MA - APRIL 21: Police officers monitor runners getting ready to run the Boston Marathon in the Boston Commons on April 21, 2014 in Boston, Massachusetts. Today marks the 118th Boston Marathon; security presence has been increased this year, due to two bombs that were detonated at the finish line last year, killing three people and injuring more than 260 others. (Photo by Andrew Burton/Getty Images)

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