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Colfax Marathon

Denver, CO


Race Dates

2018: Sunday, May 20, 2018
2017: Sunday, May 21, 2017

Course Information

Profile: Rolling Hills
Type: Mostly Loop
Surface: Road/Pavement
Certified?: Yes

Race Day Weather

Mean Temp.: 59°F (15°C)
Average High: 68°F (20°C)
Average Low: 40° F (4°C)

Historical Weather


PR Score & Course Score

PR Score: 92.90
Course Score: 92.90

Race Size

2017: 1,336 Finishers
2016: 1,262 Finishers
2015: 1,415 Finishers

BQ Percentages

2017: 7.5%
2016: 5.9%
2015: 6.3%

Miscellaneous Information

Pace Groups?: No

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Course Description

The unique Colfax Marathon course runs through a fire station, through Mile High Stadium, and along the longest road, ColFax Avenue.


Marathon Rankings

The Colfax Marathon was the 73rd largest marathon in the U.S. last year and was the 67th largest in 2015.

This year 7.5% of finishers qualified for the Boston Marathon and 5.9% of runners qualified for Boston in 2016.

This gives the Colfax Marathon the 361st highest percentage of Boston Marathon qualifiers in the U.S. last year and the 128th highest percentage so far in 2017.


Its Course Score of 92.90 ranks it as the 419th fastest marathon course in the U.S. and the 4th fastest course in Colorado.

The typical race time temperature and humidity levels are within the ideal range for optimal marathon performance. This, coupled with the Course Score, gives the Colfax Marathon a PR Score of 92.90. This PR Score ranks it as the 415th fastest marathon in the U.S. and the 3rd fastest in Colorado.

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


Elevation Chart

Max Elevation: 5530 feet (1685m)
Min Elevation: 5170 feet (1576m)

Colfax




Ratings & Reviews: None




Finish Time Equivalent

If you ran the Colfax Marathon in 3:59:00, 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.