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Race Overview
The Salmon Marathon is a Boston Marathon qualifier that starts in Tendoy, Idaho and finishes in Salmon along the Lemhi and Salmon Rivers. Roughly 21 miles of the point-to-point course run on dirt and gravel road, with the final five miles paved into town. The half marathon starts separately near Baker, Idaho, joining the same finish. The course drops about 929 feet net from start to finish, including two short climbs near mile 7 and the halfway point.
WikipediaFAQ
When is the 2027 Salmon Marathon?
The 2027 Salmon Marathon will be held on Saturday September 4, 2027.
Is the Salmon Marathon a Boston Marathon Qualfier?
Yes, the Salmon Marathon is an official Boston Marathon qualifier.
Salmon Marathon Weather History
Salmon Marathon Weather Averages
Average Temp: 60°, Average Low: 53°, Average High: 75°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM | 4PM |
|---|---|---|---|---|---|---|---|---|
| Temp | 55° | 57° | 61° | 63° | 66° | 69° | 71° | 73° |
| Feel | 55° | 57° | 61° | 63° | 66° | 69° | 71° | 73° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 3mph | 0mph | 5mph | 3mph | 0mph | 5mph | 0mph | 5mph |
| Dew | 50° | 50° | 48° | 47° | 47° | 49° | 46° | 49° |
| RunScore |  |  | | | |  |  |  |
Salmon Marathon 2026
Sep 5, 2026
Partly cloudy throughout the day with rain.
Low: 53°, High: 75°, Moderate Rain
| Time | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM | 4PM |
|---|---|---|---|---|---|---|---|---|
| Temp |  55° | 57° |  61° | 63° | 66° |  69° | 71° | 73° |
| Feel | 55° | 57° | 61° | 63° | 66° | 69° | 71° | 73° |
| Rain | - | - | - | - | - | light | light | light |
| Wind | 3mph | 0mph | 5mph | 3mph | 0mph | 5mph | 0mph | 5mph |
| Dew | 50° | 50° | 48° | 47° | 47° | 49° | 46° | 49° |
| RunScore | | | | | | | | |