- Weather
- 37°Ftypical startModelled estimate
- Field size
- ~500 runners
- Course
- Hilly
- Elevation
- 1,100 ft gain · 0 ft net
Event listed as: Marathon
Mid-October · Mountain West · Loop
Durango, CO · Sunday, October 11, 2026
Event: Durango Marathon
Registration opens on the organizer's site
Typical start
55°
Cooler than 17% of U.S. marathons
Modeled historical conditions
Elevation gain
800ft
Flatter than 15% of races
Estimated total climb
Field size
400
Larger than 4% of races
Estimated field
PR potential
4.7/10
Ahead of 5% of races
Almanac model
Percentiles compare this race against all 224 U.S. marathons in the Almanac.
800 ft gain · 0 ft net
Hilly course, loop.
Modeled from location, month and coastal proximity, not verified race history.
6 AM
47°
Start
55°
Midday
65°
Typical start sits at 55°F, good conditions.
Typical dew point 33°F, 6% chance of precipitation, wind around 7 mph. All modeled.
The bottom line
This one is about the day, not the clock.
Durango Marathon is a strong choice for runners who like a course with real character, and the climbing is the point here. The tradeoff is atmosphere: expect long quiet stretches and few spectators.
A loop course around Durango, CO, with real climbing that will cost you time if you race it hard early.
Races with a comparable profile.
Event listed as: Marathon
Ascent to 14,115 ft summit and back
Event: Catalina Island Marathon | Verified 8/26/26: 4,310 ft gain confirmed (template was correct here). Field size corrected DOWN from template guess of 800 to real ~410-437 finishers. Not a BQ course.