Mesa Falls Marathon
- Date
- July 18, 2026
- Location
- 3581 E 1300 Rd N, Ashton, ID
- Distance
- Marathon · 1/2 Marathon · 10k Fun Run & more
From the Organizer
The Mesa Falls Marathon and Half Marathon Races are point-to-point races that begin on Scenic Highway 47 in the Targhee National Forest and end in the city of Ashton, Idaho. All short races start and end at the North Fremont High School track. See registration details>
*Not a Boston Qualifier
Events
Weather
Typical Conditions
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
84°
Typical Low
52°
Chance of Rain
11%
Based on US Climate Normals data from Ashton 1n, 4 mi from the venue.
Host City
About Ashton, ID
Elevation
5,347 ft
Nearest Airport
JAC
Jackson Hole Airport · 44 mi
Time Zone
Mountain Time
From Endurance Grid
Line up lodging and travel early to lock in your race weekend.
Race Location
Your Next Start Line
What Are You
Waiting For?
Every finish line starts with a single decision. Claim your spot at Mesa Falls Marathon, put it on the calendar, and turn “someday” into a start date.
Coming Up
More Running races near Ashton, ID
Anytime Fitness Rigby Lake Run
34 miles away
Grand Targhee Wildflower Run
25 miles away
Teton Mountain Runs
42 miles away
Running for Children's Rights to Both Parents - 7 of 50 Half Marathons in 50 States - Idaho
Half Marathon
Less than a mile away
From Endurance Grid
About This Sport
Endurance Grid is here to help you understand the sport, decide if it's the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer's event page.
The half marathon is the distance where you find out what you're actually made of. Long enough to demand real preparation. Short enough that it doesn't consume your life to train for it. Most people who run their first half describe it as the race that changed their relationship with what they're capable of. Once you cross this finish line, the bar moves. That's not a warning — that's the point.
Race day energy varies by event size, but the finish line feeling is the same regardless. Big races keep the noise going the whole way. Smaller races give you stretches where it's just you and the miles — and that solitude becomes its own kind of fuel.
The half marathon rewards people who show up for the boring training miles.
How long to train: 10–14 weeks. If you're already running consistently, 10 weeks of structured buildup is enough. If you're building from a casual base, give yourself 14.
Running
From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Frequently Asked Questions (FAQs)
- What is the Mesa Falls Marathon?
- Mesa Falls Marathon is a running race held in Ashton, Idaho on July 18, 2026. It is one of the many endurance events listed on Endurance Grid, a multi-sport endurance event calendar covering running races, triathlons, HYROX, and more endurance sports across the United States. Find more running races near you or explore our sports guides to learn what race day actually feels like.
- When and where is the Mesa Falls Marathon?
- Saturday, July 18, 2026 in Ashton, Idaho at 3581 E 1300 Rd N, Ashton, ID. Check the event page for exact start times and wave schedules.
- How do I register for the Mesa Falls Marathon?
- Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.
Mesa Falls Marathon
Jul 18, 2026