Philadelphia Marathon Weekend
November 17-19, 2023
Events
Challenges
Our Races:
Fast and Scenic
Our beautiful, fast and scenic course takes runners past historic landmarks, through urban neighborhoods, and along Philadelphia's picturesque waterfronts. Learn more
2023 Registration
Now Open
Register for the 2023 Philadelphia Marathon Weekend and see how far you can go! We look forward to seeing you at the start line. Sign up today
American Association
For Cancer Research
The AACR is the first and largest cancer research organization in the world and has been behind every cancer breakthrough for more than 110 years. Learn more
Follow us on Instagram @Philadelphia Marathon
For the sixth year in a row, the American Association for Cancer Research (AACR) is proud to work alongside the City of Philadelphia to promote health, wellness, and community collaboration. Learn more about this Philadelphia-based organization dedicated to advancing cancer research and its mission to prevent and cure cancer.
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