2026 Center of the Nation Series - Day 2 (CO)
Tuesday, September 29, 2026
Sterling, Colorado
The Experience
World's Best Marathon & Half Series! No Time Limits Great Food Award-Winning Medals Loony Community! We RUN this country, TOGETHER!Event details and scheduleHere'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
Race Details
Race Day
Tuesday, September 29, 2026 · 09:00
Course
Loop
Registration
Register online
Race Website
Official race information
Historical Weather
☀
Avg High
81°F
☽
Avg Low
52°F
☂
Precip
0.01 in
🍃
Wind
14.3 mph
More races in Colorado
The Experience
World's Best Marathon & Half Series! No Time Limits Great Food Award-Winning Medals Loony Community! We RUN this country, TOGETHER!Event details and scheduleHere'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
Race Details
Race Day
Tuesday, September 29, 2026 · 09:00
Course
Loop
Registration
Register online
Race Website
Official race information