Moonlight On Mt Ascension Trail Run

JUN
19-20
2026
A 12 hour night trail event near Helena, Montana featuring repeated 100% singletrack figure 8 loops on Mount Ascension and Rodney Ridge, limited to 75 runners with a staffed aid station and volunteer support.
19-20 Jun 2026
12 miles 8 miles 4 miles

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Moonlight on Mt. Ascension 12 Hour Night Trail Run

Moonlight on Mt. Ascension is a 12 hour night trail event organized by the Helena Ultra Runners League near Helena, Montana. The course is a modified figure 8 on the South Hills trails in the Mount Ascension and Rodney Ridge areas.

Each figure 8 is 100% singletrack and totals 11.5 miles with about 2,645 feet of elevation gain. Runners have 12 hours to complete as many full figure 8 loops as possible. One completed figure 8 during the event qualifies a participant as a finisher. Continuous running is not required.

Distances and loop details:

  • Figure 8 loop: 11.5 miles, 2,645 feet gain.
  • Mt Ascension loop: 7.5 miles, 1,630 feet gain.
  • Rodney Ridge loop: 4.0 miles, 1,015 feet gain.

The course requires completing the Mt Ascension loop clockwise and the Rodney Ridge loop counterclockwise. The route will be marked with ribbons, signs, reflective tape, and glow sticks. An aid station at the Old Shooting Range Trailhead will offer typical aid station food, HEED, Perpetuem, Hammer Gel, water, soup, coffee, and hot chocolate. Overall and age division results are decided first by mileage covered and then by time. The event is limited to 75 runners and is produced entirely by volunteers from HURL. A partial refund of $30 is available for requests received before June 1 and a one year rollover option is offered for requests made before June 1 with a $10 fee. Visit the organization's website for the most recent information.

12 mi
Figure 8 Loop
8 mi
Mt. Ascension Trail Loop
4 mi
Rodney Ridge Trail Loop
12 Hour Run

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