Cassidy's NYC Marathon finish with Keflezighi means even more now after Meb won Boston.
With his recent Boston Marathon win, the soon-to-be 39-year-old proves he's still at the top of his game.
Who knew a wrong turn could be so right?
In 2013, 1,100 U.S. marathons generated a record 541,000 finishers.
More than 77,000 marathon hopefuls applied for spots in the 2014 race.
He paced a friend for 18 miles in New York a day after winning the Dash to the Finish Line 5K.
The Dutch company no longer backs Miami, New York, and Hartford.
Both runners struggled in the race but met up with three miles left and finished together.
When 50,000 runners finish a race, there are a lot of numbers you can crunch.