Have plans for this Saturday?

The Race Smart Urban Challenge will test your physical and mental strength with a clues and heart-racing adventures. Explore 4-6 miles of Philly with cash (and best dressed) prizes, swag bags and more.

We’ve teamed up with the Race Smart Challenge for a discount for you, dear readers:

Enter the Race Smart Challenge and get $10 off with Race Code GoGreenPhilly.

Now, tell us in the comments: What challenges would you create in Philly?

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Julie Hancher is the co-founder and Executive Director of Green Philly, an independent media organization making sustainability accessible, affordable and actionable. Since launching Green Philly in 2008, she has grown it from a passion project into a leading voice for local climate storytelling, pairing impactful journalism with community events and experiences. Julie is a frequent speaker on climate, media innovation and the future of local journalism, and is the creator of SustainPHL and EcoFair. Outside of Green Philly, you can find her hiking, biking, traveling, or exploring Philadelphia. View all posts by Julie Hancher