From Kastor to Flanagan to Joan Benoit Samuelson, these marathoners are the best the U.S. has seen.
Ryan Vail and Kara Goucher lead the crop of runners looking to earn a podium spot in the Big Apple.
The 41-year-old clocks 1:09:36 to finish third at the Rock 'n' Roll Philadelphia Half Marathon.
The 41-year-old wants to lower the women’s half marathon masters world record.
The Americans will go against a strong international field at the Rock 'N' Roll Philadelphia Half Marathon.
The race will mark Goucher’s return to New York following her Big Apple debut in 2008.
The 33-year-old has her eyes on Deena Kastor's 2:19:36 mark.
Two of America's most popular marathoners join an already stellar field of athletes.
Kastor and his wife Deena own the California club that boasts a strong professional lineup.