Sports
Denver Colfax Marathon and Half Marathon
Large urban marathon and half marathon event with 7 races over two days, including 5K, 10-miler, and relays. High-attendance event with thousands of participants and spectators ideal for mobile coffee vendors.
- When
- May 16 – May 17, 2026
- Where
- Denver, CO
- Est. attendance
- 20000
- Organizer
- Colorado Runner Events
About this event
Large urban marathon and half marathon event with 7 races over two days, including 5K, 10-miler, and relays. High-attendance event with thousands of participants and spectators ideal for mobile coffee vendors.
View original listing on raceraves.com →Track record & vendor details
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