10 Biggest Running Races in the U.S.

From a 5K to a marathon and everything in between, find out which races are topping the charts and have thousands of runners flocking to the starting line each year.
Atlanta Journal-Constitution Peachtree Road Race 10K

This annual Independence Day classic is an Atlanta fixture and attracts runners worldwide.

Lilac Bloomsday Run 12K

Since 1977, the Lilac Bloomsday Run 12K has been a Spokane staple. Have you ever run this race?

Dick's Sporting Goods BolderBOULDER 10K

"Sea level is for sissies" is the slogan for the BolderBOULDER 10K. This race requires a qualifying time and attracts some of the top talent.

ING New York City Marathon

As part of the World Marathon Majors, this <a href="http://www.active.com/new-york-ny/running/marathon" target="_blank">NYC race</a> offers a once ...

Bank of America Chicago Marathon

Another World Marathon Majors favorite, the <a href="http://www.active.com/chicago-il/running/marathon" target="_blank">Chicago Marathon</a> is a c...

Race for the Cure: DC 5K

The Race for the Cure in <a href="http://www.active.com/washington-dc/running" target="_blank">Washington, DC</a> is the largest of the Susan G. Ko...

Cooper River Bridge Run 10K

Run across the Cooper River bridge in this classic 10K. The race also benefits any number of charities and let's you pick the organization of your ...

OneAmerica 500 Festival Half-Marathon

This annual sellout race is the nation's largest half marathon event. What else can you run through the Indianapolis Motor Speedway?

Ukrop's Monument Avenue 10K

This race was named one of the best running races in the country by USA Today. Runners come in costume and are cheered to the finish line with spir...

EIF Revlon Run for Women: LA 5K

Since 1993, the Revlon Run/Walk 5K has raised millions of dollars for cancer research, counseling, and outreach programs to celebrate and empower w...