Marathon Registration

Online Registration
To register online, fill-out our Online Registration Form provided by MarathonGuide.com. Please note that a new browser window will open for the online registration form.

Mail In Registration
To register by mail, download and fill-out the mail in registration form in PDF format. Please note that a new browser window will open to display the mail in registration form for downloading and/or printing. Forms should be sent to Napa Valley Marathon, P.O. Box 4307, Napa, CA 94558-0430.

If you have any other Race Registration related questions, please refer to our Race Information FAQs page more information.