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 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!
March 1, 2026
NF Endurance will send its first-ever team to Tokyo in 2026! Athletes wishing to be on the team commit to raising at least $5,000 for CTF in exchange for race entry as well as many benefits and amenities. To apply for a spot on the team, please fill out an application.
April 26, 2026
In 2025, CTF is sending its first team to the London Marathon! Apply to be part of our team in 2026 by filling out the form below. Athletes commit to raising at least $10,000 to advance CTF’s mission to end NF, using the race to improve the lives of millions living with neurofibromatosis or schwannomatosis.
August 31, 2025
This year marks the addition of a seventh World Marathon Major and the first “down under”! We still have a few spots on our team for this year’s Sydney Marathon. The fundraising commitment is $5,000 and includes guaranteed entry and much more.
Apply Now
September 21, 2025
NF Endurance athletes seeking guaranteed entry to the BMW Berlin-Marathon commit to raising $3,500 for CTF in exchange for race entry as well as a host of benefits and amenities. To apply for a spot on the team, fill out an application.
October 12, 2025
At present, 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.
Join the Waiting List
November 2, 2025
NF Endurance athletes seeking guaranteed entry to the TCS New York City Marathon commit to raising $5,000 for CTF in exchange for race entry as well as a host of benefits and amenities. To apply for a spot on the team, fill out an application.
Find an event
Run with realbuzz to END NF!
We’ve partnered with realbuzz to offer more opportunities for you to run in support of CTF.
How it works:
- View the available events below.
- Click the “Register” button for your chosen race. On the realbuzz event page, find the “Run for a partner charity” box and click “Enter Now.” Pay the realbuzz deposit fee (refunded upon reaching fundraising minimum).
- Create your personal CTF fundraising page here. Set corresponding fundraising minimum (noted for each event), or aim higher!
- Reach 75% toward that race’s minimum 60 days before the event in order to register for your race at no additional charge.
Need help or have questions?
2025 Marathons
No events in your area?
Climb a mountain, cycle across the country, or run/walk in any race 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
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
