2025 Philadelphia Marathon & Half Marathon

Thank you for your interest in running the 2025 AACR Philadelphia Marathon or the 2025 Dietz & Watson Philadelphia Half Marathon on behalf of the National Brain Tumor Society! We are accepting applications for both runners who will obtain a bib through NBTS and runners who have secured their own bib entry to the race. 

NBTS is evaluating applications based on applicants who have a connection and/or passion to further the NBTS mission, the ability to meet and exceed the $1,500 fundraising commitment for marathon runners and the $1,000 fundraising commitment for half marathon runners obtaining a bib through NBTS, and the ability to safely train for the race.

As a runner, you will receive:

• Official race entry to the 2025 AACR Philadelphia Marathon or the 2025 Dietz & Watson Philadelphia Half Marathon as part of the National Brain Tumor Society’s Gray Nation Endurance Team (for runners obtaining a bib through NBTS)
• A personal fundraising page and fundraising tools
• Communication from NBTS staff throughout your race experience 
• Gray Nation Endurance team swag