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Race Overview
The Colorado Fall Equinox Marathon offers runners a breathtaking point-to-point course through the picturesque Poudre River Canyon, featuring a challenging initial ascent followed by a rewarding downhill stretch. Starting at Ohana Mountain Ranch, the marathon course winds through the Buckhorn and Poudre River Canyons, culminating in a scenic finish near Fort Collins. Runners are treated to stunning views of the Cache la Poudre River, Colorado's only designated Wild & Scenic River, and are celebrated with a festive post-race party complete with music, local brews, and food.
WikipediaFAQ
When is the 2026 Colorado Fall Equinox Marathon?
The 2026 Colorado Fall Equinox Marathon will be held on Sunday September 20, 2026.
Colorado Fall Equinox Marathon Weather History
Colorado Fall Equinox Marathon Weather Averages
Average Temp: 63°, Average Low: 51°, Average High: 78°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 52° | 54° | 59° | 62° | 66° | 70° | 72° |
| Feel | 51° | 54° | 58° | 61° | 66° | 69° | 72° |
| Rain | - | - | - | - | - | - | - |
| Wind | 5mph | 5mph | 5mph | 6mph | 7mph | 8mph | 8mph |
| Dew | 44° | 44° | 45° | 45° | 45° | 44° | 43° |
| RunScore |  | | | | | | |
Colorado Fall Equinox Marathon 2025
Sep 14, 2025
Partly cloudy throughout the day with rain clearing later.
Low: 54°, High: 74°, Light Rain
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp |  55° |  55° | 58° | 60° | 62° | 66° | 66° |
| Feel | 55° | 55° | 58° | 60° | 62° | 66° | 66° |
| Rain | - | light | light | - | - | - | - |
| Wind | 10mph | 6mph | 10mph | 5mph | 6mph | 8mph | 8mph |
| Dew | 46° | 46° | 47° | 47° | 48° | 47° | 46° |
| RunScore | |  | |  | | | |
Colorado Fall Equinox Marathon 2024
Sep 22, 2024
Partly cloudy throughout the day with rain clearing later.
Low: 47°, High: 64°, Moderate Rain
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 48° | 48° | 49° | 49° | 51° |  54° | 59° |
| Feel | 45° | 45° | 45° | 43° | 51° | 54° | 59° |
| Rain | light | light | light | light | light | - | - |
| Wind | 6mph | 8mph | 9mph | 14mph | 12mph | 13mph | 12mph |
| Dew | 47° | 47° | 48° | 47° | 47° | 47° | 44° |
| RunScore | | | |  | | | |
Colorado Fall Equinox Marathon 2023
Sep 17, 2023
Clear conditions throughout the day.
Low: 48°, High: 84°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 48° | 52° | 58° | 65° | 71° | 77° | 80° |
| Feel | 47° | 52° | 58° | 65° | 71° | 77° | 79° |
| Rain | - | - | - | - | - | - | - |
| Wind | 3mph | 0mph | 1mph | 3mph | 4mph | 5mph | 7mph |
| Dew | 42° | 45° | 43° | 45° | 45° | 42° | 43° |
| RunScore | | | | | | | |
Colorado Fall Equinox Marathon 2022
Sep 18, 2022
Clear conditions throughout the day.
Low: 52°, High: 85°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 53° | 56° | 62° | 65° | 69° | 73° | 75° |
| Feel | 53° | 56° | 62° | 65° | 69° | 73° | 75° |
| Rain | - | - | - | - | - | - | - |
| Wind | 6mph | 5mph | 5mph | 6mph | 8mph | 7mph | 9mph |
| Dew | 44° | 45° | 47° | 50° | 53° | 53° | 53° |
| RunScore | | | | | | | |
Colorado Fall Equinox Marathon 2021
Sep 19, 2021
Clear conditions throughout the day.
Low: 64°, High: 87°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 64° | 68° | 71° | 77° | 79° | 83° | 83° |
| Feel | 64° | 68° | 71° | 77° | 79° | 80° | 81° |
| Rain | - | - | - | - | - | - | - |
| Wind | 4mph | 5mph | 7mph | 6mph | 3mph | 8mph | 6mph |
| Dew | 43° | 42° | 44° | 42° | 39° | 38° | 37° |
| RunScore | | | | | | | |
Colorado Fall Equinox Marathon 2019
Sep 22, 2019
Clear conditions throughout the day.
Low: 42°, High: 74°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 43° | 48° | 54° | 57° | 63° | 67° | 69° |
| Feel | 43° | 46° | 54° | 57° | 63° | 67° | 69° |
| Rain | - | - | - | - | - | - | - |
| Wind | 0mph | 4mph | 0mph | 4mph | 8mph | 7mph | 9mph |
| Dew | 39° | 40° | 38° | 41° | 41° | 39° | 37° |
| RunScore | | | | | | | |