Colorado Fall Equinox Marathon
Race Day Weather
Cool start, warming up
Runners will face a temperature rise from 51°F at the start to 79°F by the finish, with a gentle breeze from the SE at 9 mph. Humidity will remain moderate at 46% with a dew point of 41°F. Runners should consider adjusting their pace as temperatures rise, especially in the later stages of the race.
Pace Calculator
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. Source
Historical Weather
Temperature History
Range of temperatures during race hours for each year.
Detailed History
| Year | Conditions | Low / High | Rain | Dew Point | Score |
|---|---|---|---|---|---|
2025 |  | 55°/66° | Light | 47° | |
2024 |  | 48°/59° | Light | 47° | |
2023 | | 48°/80° | - | 43° | |
2022 | | 53°/75° | - | 49° | |
2021 | | 64°/83° | - | 40° | |
2019 | | 43°/69° | - | 39° |