The Children’s Tumor Foundation NF Endurance Team gives participants the opportunity to run, bike, or swim in endurance events across the country. Get a guaranteed spot in premier and often sold-out races, participate in running or cycling events around the world, take on a new challenge with an obstacle course or triathlon…you can even “Choose Your Own Challenge” and pick any adventure you’d like to tackle to benefit CTF.
CTF Expands World Marathon Majors (WMM) Partnerships!
CTF has recently added the TCS London Marathon, the TCS Sydney Marathon, and the Tokyo Marathon to its event roster. NF Endurance athletes now have access to 6 of the 7 coveted WMM events! To apply for any 2026 event (or 2027 Tokyo), please fill out the application.

March 1, 2026
All of CTF’s entries to the 2026 Tokyo Marathon have been filled and we have moved to a Waiting List. To join the Waiting List, please click the button below.

April 26, 2026
In 2025, CTF sent its first team to the London Marathon! Apply to be part of our team in 2026 by filling out the form below.

August 31, 2025
The team for the 2025 Sydney Marathon is full. To apply for a spot on the 2026 team, please fill out the application below.

September 21, 2025
All of CTF’s entries to the 2025 BMW Berlin-Marathon have been filled and we have moved to a Waiting List. To join the Waiting List, please click the button below.

October 12, 2025
All of CTF’s entries to the 2025 Bank of America Chicago Marathon have been filled and we have moved to a Waiting List. To join the Waiting List, please click the button below.

November 2, 2025
All of CTF’s entries to the 2025 TCS New York City Marathon have been filled and we have moved to a Waiting List. To join the Waiting List, please click the button below.
Beyond the Majors; More Races to Run to End NF!
No events in your area?
Swim, cycle, run/walk, or choose any event not on our NF Endurance team schedule -- the challenge is up to you! Sign up with the NF Endurance Team and pick the event of your choice to fundraise for the Children’s Tumor Foundation.
Sign Up to Choose Your ChallengeFind a Participant/Team
Why you should get involved

Make an Impact
Fundraising efforts by our participants help us take steps toward a cure

NF Heroes
Get to know NF Heroes - individuals living with NF - their stories will push you across the finish line

Earn Incentives
Earn a variety of fun prizes when you reach fundraising milestones