Runners approching the finish line of the Berlin Marathon. ©SCCEVENTS/camera4

Berlin Marathon

A group of runners from one of Germany’s most prestigious athletics clubs, SC Charlottenburg, organized the first BERLIN-MARATHON in 1974.

A group of runners passes through Queens during the 32nd New York City Marathon November 4, 2001. The Empire State Building is seen in the background. (Photo by Mario Tama/Getty Images)

New York City Marathon

The TCS New York City Marathon is the premier event of New York Road Runners (NYRR) and the largest marathon in the world.

A pack of runners pass before the Zojyoji temple during the Tokyo Marathon. (Photo credit should read YOSHIKAZU TSUNO/AFP via Getty Images)

Tokyo Marathon

Organized by the Tokyo Marathon Foundation, the inaugural Tokyo Marathon was held on February 18, 2007. Through its theme, “The Day We Unite” the Tokyo Marathon has gathered together runners, volunteers and spectators every year.

Runners approaching downtown Chicago with the skyline ahead. Photo via Bank of America Chicago Marathon/Kevin Morris

Chicago Marathon

The iconic Chicago Marathon course takes participants on a looped tour through 29 of Chicago’s most vibrant and culturally diverse neighborhoods. It attracts more than 1.7 million spectators annually, and it’s globally acclaimed for its fan-friendly navigation.

Runners in the London Marathon pass Buckingham Palace as they enter the finishing straight in London, England. (Photo by Peter Macdiarmid/Getty Images)

London Marathon

The London Marathon is the second largest annual road race in the UK, after the Great North Run in Newcastle. Founded by athletes Chris Brasher and John Disley in 1981, it is typically held in April.

A general view as runners start the Boston Marathon in Hopkinton, Massachusetts. (Photo by Tim Bradbury/Getty Images)

Boston Marathon

The Boston Marathon is the world’s oldest annual marathon and ranks as one of the world’s most prestigious road racing events. The B.A.A. continues to manage this American classic, which has been sponsored by John Hancock since 1986.