Partly cloudy throughout the day.
Details
Light Rain
30%
Light Rain
50%
Pre-Race
Race
Post-Race
350 lumens of light to illuminate the trail ahead. Black Diamond Spot 350 Headlamp.
When you buy through our links, we may earn a commission.
Wanna to know when the weather changes? .
News
August 2, 2023
Upcoming marathons and other races happening this weekend.
FAQ
When is the 2027 Aspen Backcountry Marathon?
The 2027 Aspen Backcountry Marathon will be held on Saturday July 31, 2027.
Aspen Backcountry Marathon Course Map
Loading Course Map...
Aspen Backcountry Marathon Weather History
Aspen Backcountry Marathon Weather Averages
Average Temp: 65°, Average Low: 50°, Average High: 80°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | 58° | 62° | 67° | 71° | 73° | 75° | 76° |
| Feel | 58° | 62° | 67° | 71° | 72° | 74° | 75° |
| Rain | - | - | - | - | - | - | - |
| Wind | 4mph | 5mph | 4mph | 7mph | 5mph | 10mph | 8mph |
| Dew | 42° | 44° | 43° | 43° | 41° | 38° | 38° |
| RunScore |
Aspen Backcountry Marathon 2026
Aug 1, 2026
Clear conditions throughout the day.
Low: 51°, High: 90°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | |||||||
| Feel | 62° | 68° | 76° | 79° | 81° | 82° | 84° |
| Rain | - | - | - | - | - | - | - |
| Wind | 0mph | 3mph | 3mph | 7mph | 0mph | 16mph | 13mph |
| Dew | 37° | 37° | 34° | 35° | 29° | 27° | 25° |
| RunScore |
Aspen Backcountry Marathon 2025
Aug 2, 2025
Partly cloudy throughout the day with morning rain.
Low: 48°, High: 77°, Light Rain
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | |||||||
| Feel | 60° | 58° | 67° | 73° | 75° | 77° | 72° |
| Rain | - | light | - | - | - | - | - |
| Wind | 11mph | 11mph | 13mph | 10mph | 10mph | 15mph | 9mph |
| Dew | 40° | 46° | 45° | 41° | 41° | 33° | 41° |
| RunScore |
Aspen Backcountry Marathon 2023
Aug 5, 2023
Partly cloudy throughout the day.
Low: 48°, High: 79°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | |||||||
| Feel | 52° | 60° | 65° | 69° | 70° | 74° | 75° |
| Rain | - | - | - | - | - | - | - |
| Wind | 3mph | 0mph | 6mph | 5mph | 6mph | 9mph | 9mph |
| Dew | 41° | 41° | 40° | 41° | 38° | 40° | 39° |
| RunScore |
Aspen Backcountry Marathon 2022
Jul 30, 2022
Partly cloudy throughout the day with rain.
Low: 48°, High: 77°, Moderate Rain
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | |||||||
| Feel | 57° | 63° | 67° | 73° | 73° | 74° | 77° |
| Rain | - | - | - | - | - | - | - |
| Wind | 0mph | 6mph | 0mph | 10mph | 5mph | 0mph | 5mph |
| Dew | 45° | 46° | 44° | 47° | 46° | 44° | 45° |
| RunScore |
Aspen Backcountry Marathon 2019
Aug 11, 2019
Partly cloudy throughout the day with rain in the morning and afternoon.
Low: 57°, High: 73°, Moderate Rain
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | |||||||
| Feel | 63° | 62° | 62° | 62° | 57° | 59° | 61° |
| Rain | - | - | light | light | light | light | - |
| Wind | 7mph | 8mph | 0mph | 6mph | 4mph | 11mph | 10mph |
| Dew | 46° | 49° | 48° | 51° | 52° | 51° | 51° |
| RunScore |
Aspen Backcountry Marathon 2011
Aug 20, 2011
Partly cloudy throughout the day.
Low: 46°, High: 82°, Light Rain
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | |||||||
| Feel | 53° | 61° | 66° | 71° | 77° | 79° | 80° |
| Rain | - | - | - | - | - | - | - |
| Wind | 3mph | 0mph | 3mph | 3mph | 5mph | 9mph | 0mph |
| Dew | 43° | 45° | 45° | 45° | 41° | 30° | 29° |
| RunScore |