Apr 01, 2014 
More new highs for U.S. marathons with 541,000 finishers and more than 1,100 races; ING New York City Marathon returns to the top in 2013.
Provided by: Running USA
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Running USA Annual Marathon Report
More new highs for U.S. marathons with 541,000 finishers and more than 1,100 races; ING New York City Marathon returns to the top in 2013.
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