The two-time Olympian will be moving back to Boulder, Colo., on Jan. 1.
A survey found that the "fun factor" is a major draw.
But runners won't for the cancelled race.
Sebastian Coe is doing his part to make it happen.
Lelisa Desisa and Rita Jeptoo won the men's and women's titles at this year's race.
Over 1,000 people applied to run the 2014 edition of the marathon.
The boxer covered a reported 50K throughout Philadelphia in the film.
He collapsed at the finish line due to the humidity.
The duo will race at the Reggie Lewis Track and Athletic Center on Feb. 8.
It provides real-time biometric data to your smartphone.