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Race Overview
High-altitude gravel marathon on Gravelly Range Road near Ennis, Montana, run entirely above 8,500 feet. The full marathon is an out-and-back that climbs to about 9,600 feet before finishing at Clover Meadows; the half marathon covers the same route point to point. Long promoted as the highest road marathon on the planet, though newer high-altitude races elsewhere have since challenged that claim. Capped at 150 runners under a US Forest Service special-use permit.
WikipediaFAQ
When is the 2027 Madison Marathon (MT)?
The 2027 Madison Marathon (MT) will be held on Saturday July 10, 2027.
Madison Marathon (MT) Weather History
Madison Marathon (MT) Weather Averages
Average Temp: 72°, Average Low: 50°, Average High: 90°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 65° | 72° | 77° | 81° | 84° | 87° | 88° |
| Feel | 65° | 72° | 76° | 80° | 82° | 83° | 85° |
| Rain | - | - | - | - | - | - | - |
| Wind | 2mph | 3mph | 4mph | 6mph | 9mph | 9mph | 9mph |
| Dew | 42° | 40° | 36° | 34° | 28° | 31° | 31° |
| RunScore |  | | | |  | | |
Madison Marathon (MT) 2026
Jul 11, 2026
Clear conditions throughout the day.
Low: 54°, High: 96°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 69° | 77° | 81° | 86° | 90° | 93° | 95° |
| Feel | 69° | 77° | 80° | 83° | 86° | 89° | 90° |
| Rain | - | - | - | - | - | - | - |
| Wind | 1mph | 7mph | 7mph | 9mph | 7mph | 14mph | 14mph |
| Dew | 46° | 44° | 43° | 42° | 40° | 38° | 35° |
| RunScore | | | | | |  | |
Madison Marathon (MT) 2025
Jul 12, 2025
Clear conditions throughout the day.
Low: 45°, High: 87°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 64° | 71° | 75° | 77° | 79° | 81° | 82° |
| Feel | 64° | 71° | 75° | 77° | 79° | 79° | 80° |
| Rain | - | - | - | - | - | - | - |
| Wind | 1mph | 0mph | 6mph | 4mph | 6mph | 6mph | 6mph |
| Dew | 36° | 37° | 27° | 22° | 12° | 18° | 27° |
| RunScore | | | | | | | |
Madison Marathon (MT) 2024
Jul 13, 2024
Clear conditions throughout the day.
Low: 51°, High: 94°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 68° | 73° | 79° | 86° | 89° | 91° | 93° |
| Feel | 68° | 73° | 79° | 83° | 85° | 87° | 88° |
| Rain | - | - | - | - | - | - | - |
| Wind | 5mph | 4mph | 0mph | 5mph | 17mph | 10mph | 10mph |
| Dew | 49° | 49° | 48° | 42° | 26° | 30° | 30° |
| RunScore |  | | | |  | | |
Madison Marathon (MT) 2018
Jul 21, 2018
Clear conditions throughout the day.
Low: 53°, High: 89°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 64° | 71° | 76° | 81° | 84° | 87° | 89° |
| Feel | 64° | 71° | 76° | 79° | 82° | 84° | 85° |
| Rain | - | - | - | - | - | - | - |
| Wind | 2mph | 4mph | 3mph | 5mph | 7mph | 10mph | 7mph |
| Dew | 41° | 39° | 34° | 36° | 39° | 41° | 37° |
| RunScore | | | | | | | |
Madison Marathon (MT) 2017
Jul 22, 2017
Clear conditions throughout the day.
Low: 46°, High: 86°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|
| Temp | 62° | 68° | 73° | 77° | 80° | 82° | 83° |
| Feel | 62° | 68° | 73° | 77° | 78° | 80° | 80° |
| Rain | - | - | - | - | - | - | - |
| Wind | 2mph | 1mph | 5mph | 5mph | 7mph | 7mph | 7mph |
| Dew | 37° | 34° | 30° | 26° | 25° | 28° | 24° |
| RunScore | | | | | | | |