Atlantic to Appalachian Double (700 Mile Challenge)

$85 Registration ends September 19, 2021 at 11:59pm EDT

Mountains to Sea (350 Mile Challenge)

$60 Registration ends September 15, 2021 at 11:59pm EDT

This years Mountains to Sea Challenge will be a virtual race from June 1st through Sept. 20th Participants will have a chance to complete 350 miles over the course of the summer months! Participants receive a cool participant shirt and all finishers who finish the race will commemorate their achievement with a buckle worthy of the miles finished! If the Mountains to Sea challenge is not enough for you then test your training to complete 700 miles with the Atlantic to Appalachian Double! The buckle is twice as big and twice as colorful! 


How does it work? 

  • Register for this race

  • Find Your Bib Number HERE


    • This is a virtual Race therefore you can run it wherever you want and whenever you want!
    • If you would like to be considered for an overall award please use a fitness tracker or GPS watch
    • Walking, Running, and Hiking are all acceptable forms of movement! Sorry no bikers!
  • Once your complete the distance you can upload your results manually and instantly.

  • Here's How!

    • Click the results tab on the Mountains to Sea Home Page
    • Click “Submit Virtual Results”
    • Results and Run Recordings can ONLY be submitted from June 1st through September 20th
    • Search for your profile using either your name or email address
    • Submit your runs either daily or weekly.  
    • If you get behind, no problem! Just submit your runs until you get up to date!
    • You can check your progress and the progress of others from the results page

123 Hancock Rd
Sunset, SC US 29685
Race Contact Info
If you have any questions about this race, please contact the race director at
Race Website

Additional race information can be found at


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