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Philadelphia Marathon Weekend

November 22-24, 2024

Registration is now closed for the AACR Philadelphia Marathon, the Dietz & Watson Philadelphia Half Marathon and the Rothman Orthopaedics 8K.

We do not allow the transfer of bibs between individuals – any offer to sell you a bib is not valid.

The only option available to enter our races is through either American Association for Cancer Research (AACR) or one of our charity affiliates. (learn which charities are in our program).

Events

Challenges

View All Events and Challenges

Our Races:
Fast and Scenic

Our beautiful, fast and scenic course takes athletes past historic landmarks, through urban neighborhoods, and along Philadelphia's picturesque waterfronts. Join over 30,000 athletes on race weekend! USATF certified and Boston qualifier event. Learn more

Give the Gift
of Running

Looking for the perfect gift for the athlete in your life? Now you can give a gift registration to any of our events on race weekend!  After checkout, you will receive an email with a unique code to pass along to your friend, family or loved one. Learn more

American Association
For Cancer Research

The AACR is the world’s first and largest cancer research organization dedicated to the prevention and cures of cancer through research, education, and advocacy. Learn more. Pictured: Ebony Mason, Cancer Survivor and AACR Runner for Research.

Storyboard Maps

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.

[ Learn more ]

Our Partners

American Association for Cancer Research

ASICS - sound mind, sound body