The Aspen Valley Marathon, held on July 19, 2025, in Basalt, Colorado, is a scenic event that takes runners through the heart of the Rocky Mountains. The course starts at Wagner Park in Aspen and finishes at Lions Park in Basalt, featuring a downhill profile that drops 1,418 feet over the first 20 miles. This makes it a fast and popular choice for runners seeking to qualify for the Boston Marathon.\n\nThe event includes a full marathon, half marathon, and 5K, making it accessible to runners of a
Adjusted Time
4:04:58
Time difference: +5.0 minutes compared to a flat, road, temperate course.
| Surface | Road |
| Elevation Gain | 92m |
| Elevation High | 2426m |
| Elevation Low | 1983m |
| Predicted High | 28°C |
| Predicted Low | 15°C |
| Chance of Rain | 3% |