Register Icon


Start a team, join a team or challenge yourself to walk, run or jog 31, 62 or 100 miles during the month of May.

Sign Up Today

Fundraise Icon

Raise Funds

Help make tomorrow’s breakthroughs possible for young patients at Children’s Hospital of Philadelphia.

Fundraising Resources

Get Going Icon

Walk, Run, Jog …

On May 1, lace up your sneakers and start moving! Share your miles and donations, and remember to ask others to join you.

Learn How It Works

Our Fundraising Goal: $200,000.00


“My brother and sister were born with severe combined immunodeficiency syndrome (SCID). My brother spent 16 years as a CHOP patient until he passed in 1995. I run in memory of him; my sister, who is still under the managed care of CHOP; and for all families of the CHOP community.”

— Sotirios Gountas,
2017 31-Day Challenge Participant

Sotirios Gountas smiling

On the Cusp of a Cure …

Smiling Family

By participating in the 31-Day Challenge, you are supporting new, breakthrough therapies for children with sickle cell disease.

Why Participate

How You Can Help

Smiling Patient

There are so many ways YOU can help young patients with sickle cell disease at CHOP. Choose the option that works best for you.

Ways to Give



Be sure to use #31Days4CHOP in your posts to make it easy for your friends to follow your progress in miles and fundraising, and to be featured below!