How it Works

Choose an activity (run, walk, bike), decide how far you’ll go (31, 62 or 100 miles), and raise money to help our kids during May.

Get the Details

Who You’ll Help

Breakthroughs happen every day at Children’s Hospital of Philadelphia, but we need your help to find treatments and cures for more kids.

Why Support CHOP

Ways to Give

There are so many ways YOU can support the children at CHOP. Choose the option that works best for you.

How You Can Help

“We like to participate in 31-Day Challenge because we’re so grateful for what CHOP did for us, so this is a great way for us to be able to give back and inspire our friends and family to support us.”

— Jessica Peters,
31-Day Challenge participant and mother of Owen

Peters family smiling

Our Patients

Our inspiring patients are the reason the 31-Day Challenge was created and why we strive to discover a breakthrough for every child in our care.

Meet Our Champions

Fundraising Tips

Make the most of your participation by fundraising to support advanced care and research at Children’s Hospital of Philadelphia.

Resources for you

Shop for CHOP

Visit our online store to buy 31-Day Challenge T-shirts, water bottles and more!

Shop Now


Let’s Get Social!

Use #31Days4CHOP in your social media posts to share your progress with friends and family, and to be featured below!