The Course

25 Hours in Frog Hollow Race Course Stats

  • Total Length: 13 miles               Single Track: 5.7 miles              Double Track: 7.1
  • Elevation low : 3570 ft                  Elevation high: 4300 ft        Climbing 2736 Ft
  • Estimated Average Course Speed: 1 hour 25 minutes
  • Number of Hours in a Day: 25         Hours of daylight: 12 .5       Hours of dark: 12.5
  • Ave High Temp: 77 degree Ave            Low Temp:  44 degree
FULL MOON:    2015 – Oct 27,    2016 – November 14,      2017 – Nov 6

Download the course map from Trailforks 

Below is an interactive map of the course. The course is highlighted in Grey, showing start, timing tent, and aid stations. Aid Stations in yellow are manned during the entire event and can aid with medical issues. At the venue is aid with mechanical issues, nutrition support and by medical staff. The red square denotes the road closure and the blue route is the venue access from hwy 9.

Download Course Map

25HRcourse marshal positionsOffical3

Download GPX  frog hollow 25-2015

This Video was filmed in 2014, but has some great footage of the course and the fun atmosphere that has grown into the iconic 25 Hours of Frog Hollow

Download Course Map

25HRcourse marshal positionsOffical3

 Safety and Support on Course

The Frog Hollow course was designed with your safety in mind. There are 4 course marshal locations that are manned during the entire 25 hours, as well as and additional location during nighttime hours. All marshals are EMT or WFR certified and are stocked with support in case you get in trouble. Pay attention to these locations. In addition there are 2 restrooms out on course and each marshal has a fire burning during the night in case you need to stop and warm up and take a break.


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  • Count Down to Race Day

    Hurricane Utah
    11/4/2017 10:00 am