Contacting Challenge Nation

We'd love to hear from you! If you have a question, suggestion, or concern, please reach out to us for assistance. We are based in Washington, DC and all of our customer support is handled via email to make sure we keep track of all outstanding issues.

Before writing us, please follow these three steps, first: 

1. Please first be sure to read our Frequently Asked Questions, which should answer most common questions.

2. If you are writing to ask how to register or are having difficulty registering, please visit our registration help page.

3. And last, when writing us, please be sure to include which of our 35 race cities you are inquiring about!

Still stumped? We're happy to help! Reach us at: