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Colfax Marathon
Denver, CO, USA
May 21, 2023
Partly cloudy throughout the day.
8
5 AM
8
6 AM
9
7 AM
9
8 AM
9
9 AM
9
10 AM
8
11 AM
8
12 PM
8
1 PM
8
2 PM
8
3 PM
Wind
13mph
Gusting to
29mph
Pre-Race
Race
Post-Race
FAQ
Is the Colfax Marathon a Boston Marathon Qualfier?
Yes, the Colfax Marathon is an official Boston Marathon qualifier.