Mesa Falls Marathon

JUL
18
2026
Run through Targhee National Forest from scenic Highway 47 to downtown Ashton with marathon, half, relay, 10K, 5K and 1 mile options. Finishers get a tech shirt, medallion and a huckleberry milkshake to celebrate the views and effort.
Sat 18 Jul 2026
Marathon 26 miles 13 miles 10 kilometers 5 kilometers

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Mesa Falls Marathon : Event overview

The Mesa Falls event includes a full marathon, a half marathon, a relay, a 10K, a 5K, and a 1 mile race. The marathon and half marathon are point-to-point races that begin on Scenic Highway 47 in the Targhee National Forest and finish in Ashton, Idaho. Short races start and end at the North Fremont High School track. The event is not a Boston qualifier.

Entry fees for the races include a long-sleeved tech shirt, a finisher’s medallion, bus transportation to the start, and a huckleberry milkshake for finishers. Packet pickup is available the day before the race at the Ashton Community Center with limited race-day pickup by exception. A full refund is available up to four weeks before the race. The race committee may cancel the event and refund policies depend on fixed costs at the time of cancelation.

  • Marathon
  • Half Marathon
  • Relay
  • 10K
  • 5K
  • 1 Mile

Course and logistics

The marathon course combines paved and trail surfaces: about 14 miles of blacktop, 3.2 miles of packed trail along Warm River, and 13.6 miles of pavement. The course starts at about 6,135 ft elevation and finishes at about 5,253 ft for an overall elevation loss of about 882 ft. There is a notable uphill section between mile 17.1 and mile 19.9 with roughly 300 ft of gain over 2.8 miles. Aid stations are located approximately every 2 to 2.5 miles beginning near mile 2.

Bus transportation to the start loads at North Fremont High School and the finish is at the high school. Vehicle parking is available near the school. Restrooms and port-a-potties are provided at several course locations and at the finish. Clothing left at the start or with aid stations will be returned to the finish area. Dogs are not allowed on the course. Timing is provided by a professional timing service and there are no formal cutoff times. Visit the organization's website for the most recent information.

Marathon
Marathon Relay
26 mi
Marathon
13 mi
Half Marathon
10 km
10k
5 km
1 Mile

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