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Race Dates

2018: Saturday, July 14, 2018
2017: Saturday, July 15, 2017

Course Information

Profile: Downhill
Type: Point to Point
Surface: Road/Pavement
Certified?: Yes

Race Day Weather

Mean Temp.: 65°F (18°C)
Average High: 82°F (27°C)
Average Low: 48° F (8°C)

Historical Weather

PR Score & Course Score

PR Score: 91.70
Course Score: 91.97

Race Size

2017: 225 Finishers
2016: 273 Finishers
2015: 226 Finishers

BQ Percentages

2018: N/A
2017: 9.3%
2016: 9.5%

Miscellaneous Information

Pace Groups?: No

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Course Description

The Aspen Valley Marathon course runs from Wagner Park in Aspen to Lions Park in Basalt along the Rio Grande trail. The race starts at nearly 8,000 feet and drops 1400 feet down to 6500 feet by mile 20. The last six miles are rolling to the finish at 6,600 feet.

The high altitude may adversely affect finish times for most runners - especially those not acclimated to the elevation. For those acclimated, this can be a very fast course.

Marathon Rankings

The Aspen Valley Marathon was the 234th largest marathon in the U.S. last year and was the 222nd largest in 2016.

Last year 9.3% of finishers qualified for the Boston Marathon and 9.5% of runners qualified for Boston in 2016.

This gives the Aspen Valley Marathon the 215th highest percentage of Boston Marathon qualifiers in the U.S. last year and the 219th highest percentage in 2016.

Its Course Score of 91.97 ranks it as the 443rd fastest marathon course in the U.S. and the 5th fastest course in Colorado.

The typical race time temperature and humidity levels are slightly above the ideal range for optimal marathon performance. This, coupled with the Course Score, gives the Aspen Valley Marathon a PR Score of 91.70. This PR Score ranks it as the 440th fastest marathon in the U.S. and the 5th fastest in Colorado.

Learn more about PR Scores and Course Scores on the FAQ page.

Elevation Chart

Max Elevation: 7920 feet (2414m)
Min Elevation: 6500 feet (1981m)


Recent Aspen Valley Marathon Reviews

4 Stars from 1 Reviews
View all Reviews

review of 2014 Aspen Valley Marathon.   

4 / 5 Stars


Beautiful course, nice gradual downhill for the first 20 miles.

Race Tips

Be prepared for the last 6 miles - it is no longer downhill and it is very exposed, so it can get hot - especially as the day gets later.

Logistical Tips (Hotels, Restaurants, Parking, Discounts, etc.)

Small, low-key race, not really too many logistics to worry about.

Finish Time Equivalent

If you ran the Aspen Valley Marathon in 3:36:00, what would your time in the Boston Marathon be?

See how your race times would compare on other marathon courses using the Marathon Time Converter Tool.