We will be unable to respond to emails or phone calls starting Thursday June 12 at Noon as we will be onsite at Bear Lake getting things ready. If you've mailed in your entry form, come to race check in and we'll hook you up. If you'd still like to register for the 10k, fill out the form and bring it with you to race check in.

If you've contacted us about the Idaho Marathon on Friday, Please meet us at the Garden City Park (about 350 S Bear Lake Blvd, Garden City) at 9:00 AM for transportation to the start line.

Call us: 435-650-9732

email us: info@mammothmarathons.org

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