TCS New York City Marathon

We have been honored to be a NYC Marathon charity partner since 2019.

This 26.2-mile marathon will take runners through all five boroughs of New York City, and they’re asking for your sponsorship. All funds raised by Team IronMatt will be used to support the IronMatt mission.

2024 TCS New York City Marathon

Date:  Saturday, November 3, 2024

Time: 8am ET

Location: New York City, Central Park

Team IronMatt is excited to travel the distance for IronKids everywhere.

Click the Donate Today button.

Select “IronMatt.”

Choose the amount of your donation.

Click the black button, “Proceed to the Next Step.”

Enter your credit card information.

Contact Information

Donations for this event are managed by TCS New York City Marathon Fundraising.

More information about the event can be found here.

Host an Event in Honor of Your Child

Friends of IronMatt host events and fundraisers to advance the IronMatt mission in honor of their child. If you’d like to raise money to end pediatric brain tumors and support families under financial stress, please contact our founder to set up the details.


Contact IronMatt

Kelly Larson, President


A Note About Giving Accounts

Please note, event tickets and auction items are “goods and services” for tax purposes. They cannot be purchased through a giving account and must be paid out of pocket.

DISCLAIMER: The Matthew Larson Foundation for Pediatric Brain Tumors, or IronMatt, is a public 501(c)(3) nonprofit foundation organized for charitable purposes. All donations are tax-deductible to the extent allowable by law.

All contributors to our events and fundraisers support the IronMatt mission. Your contribution will not influence any business partnerships now or in the future of the companies represented by IronMatt supporters soliciting assistance.