2026 Center of the Nation Series - Day 2 (CO)
Race Date
Sep 29, 2026
Location
Sterling, CO
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
Course Info
Course Type
Loop Course
Terrain
road
Difficulty
Ultra-Flat
Elevation Gain
0'
Net Drop/km
0 m (Flat)
Separation
0.0%
Race Day Weather
5-year historical avgStart (Low)
52°
Afternoon (High)
81°
Hot conditions — adjust pace expectations, prioritize hydration
0.0"
Precipitation
14 mph
Wind
46%
Humidity
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