2026 Center of the Nation Series - Day 2 (CO)
Sep. 29, '26
Sep. 30, '26
Race Location
Pioneer Park
17615 Hwy 14
Sterling, CO 80751
United States
Events
Marathon - Individual Age group/open
Half Marathon - Individual Age group/open
5K - Individual Age group/open
10K - Individual Age group/open
50K - Individual Age group/open
Details
World's Best Marathon & Half Series!
No Time Limits
Great Food
Award-Winning Medals
Loony Community!
We RUN this country, TOGETHER!
Event details and schedule
Here's a link to the 2026 Center of the Nation Series page, which has additional information on each of the locations and the series as a whole.
If you're interested in any Mainly gear, check out our Merch!
Peace, love, and cheers to you all!
-Mainly Family
