General Information
Most questions are answered in the Frequently Asked Questions (FAQ) page. However, if you still have questions please contact the ATM Office by email or call us at 202-685-3361 (DSN:325 for military callers) from 8:00am to 5:00pm EST.

Online Registration
Technical questions associated with online registration should be directed to MarathonGuide.com at registrationhelp@MarathonGuide.com. MarathonGuide.com hours are Monday thru Friday from 9:00am to 6:00pm EST. ATM has a no refund policy. For credit card charge inquiries call the ATM office at 202-685-3361 (DSN:325 for military callers).

Team Questions
If the Team page or FAQ page doesn’t answer your question then please contact the ATM Office by email or call us 202-685-3361 (DSN:325 for military callers) from 8:00am to 5:00pm EST.

Customer Service
Please contact the ATM Office by email or by phone 202-685-3361 (DSN:325 for military callers) Monday thru Friday from 8:00am to 5:00pm EST.