Mesa Falls Marathon

North Fremont High School, 3581 East 1300 Road North, Ashton, ID 83420, Idaho, United States
Ticket price
Free
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Mesa Falls Marathon Runs from Forest to Ashton

Runners descend from Targhee National Forest toward Ashton on a scenic point-to-point course surrounded by waterfalls, rivers, and mountain country.

Start date
18 July, 2026
End date
18 July, 2026 2:00 PM

Event details

Targhee National Forest supplies the cool morning air for the Mesa Falls Marathon, a point-to-point course that begins among tall pines shortly after 5:30 a.m. and descends gradually toward the farm town of Ashton. Both the full marathon and half-marathon trade flat pavement for a genuine downhill journey through forest and open country, finishing well before the midday sun takes hold.

The descending profile is the course’s signature: rather than fighting elevation, runners spend the morning losing it gradually, with broad valley views opening up as the trees thin on the approach to town. A predawn start and shuttle to the remote trailhead reflect just how far from Ashton the course actually begins.

Because the start sits well outside town, an Ashton-area stay the night before is the practical choice for runners and their support crews alike. The payoff extends well past the finish line: Upper and Lower Mesa Falls are a short drive from the course, Harriman State Park offers wildlife viewing and quiet trails, and Henry’s Fork rewards anglers and waders looking to cool off after race morning.

Event Type and Audience

Race All Ages
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