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National Brain Tumor Society | Brain Tumor Investment Fund

2026 Boston Marathon Application

DATE: MONDAY APRIL 20, 2026

Thank you for your interest in running the 2026 Boston Marathon on behalf of the National Brain Tumor Society!

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 $10,000 fundraising commitment for runners obtaining a bib through NBTS, and the ability to safely train for the marathon.

The deadline to submit your application is December 11, 2025.

As a runner, you will receive:

  • Official race entry to the 2026 Boston Marathon as part of the National Brain Tumor Society’s Gray Nation Endurance Team®
  • A personal fundraising page and fundraising tools
  • Communication from NBTS staff throughout your race experience 
  • Gray Nation Endurance team swag 

Application and Acceptance Process:
When you’ve completed your application, please email endurance@braintumor.org to confirm receipt of your application. Once received, an NBTS staff member will reach out to set up a quick call. If accepted, NBTS will notify you by email.

Unlock Breakthroughs: Give by May 31!

Your Brain Tumor Awareness Month gift has an immediate impact, supporting patients, driving advocacy, and funding groundbreaking research. Right now, thanks to a challenge from the Robert Lloyd Corkin Charitable Foundation, your gift is worth even more — help us raise $200,000 during the last six days of May to unlock an additional $30,000.

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