The Mount Marathon Race is a mountain race that is run every Fourth of July in Seward, Alaska.
Wikipedia https://en.wikipedia.org/wiki/Mount_Marathon_Race
Seward http://seward.com/news-events/marathon/marathon.htm
Address 233 Lowell Canyon Rd, Seward, AK 99664, USA
Coordinates 60°6'11.446" N -149°27'17.549" E