BR
Boulder Rez Marathon
Race Date
Aug 15, 2026
Location
Boulder, CO
Course Info
Course Type
Loop Course
Terrain
road
Difficulty
Rolling Hills
Elevation Gain
0'
Net Drop/km
0 m (Flat)
Separation
0.0%
Also Offers
26.2M19.7M10K run | 26.2M relay
Race Day Weather
5-year historical avgStart (Low)
58°
Afternoon (High)
85°
Hot conditions — adjust pace expectations, prioritize hydration
0.0"
Precipitation
9 mph
Wind
48%
Humidity
Race Photos
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