From 2010 when Competitor Group Inc. bought the rights to the race, until 2020 it was part of the Rock 'n' Roll Marathon Series of running competitions.
The latter mark stood as the American record for over twenty years and was broken by Deena Kastor at the 2005 edition of the Philadelphia Distance Run, with her winning time of 1:07:53 hours.
[3] On top of this, Dionicio Cerón's winning time of 1:00:46 hours in 1990 was recognised by the Association of Road Racing Statisticians as their world best mark, as per their stricter criteria.
[13] Téllez and Lez Run began working with local race directors to include the nonbinary division starting in 2018.
[14] Kucer and the race organizers announced that the 2021 Philadelphia Distance Run would become the first road race in the U.S. to establish a nonbinary division all the way up to the elite level, with equal prize money awarded to winners of the male, female, and nonbinary categories.