FV
Fox Valley Marathon Races
Race Date
Sep 20, 2026
Location
Saint Charles, IL
Course Info
USATF CertifiedTerrain
road
Elevation Gain
0'
Net Drop/km
0 m (Flat)
Separation
0.0%
Also Offers
26.2M20M5K run
USATF Certified Course
IL25040NM · 2025 Fox Valley Half Marathon
Relatively flat with minimal net elevation change. Loop course — start and finish are close together.
Course Map
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Race Day Weather
5-year historical avgStart (Low)
60°
Afternoon (High)
77°
Warm — hydration strategy is key, start conservatively
0.2"
Precipitation
11 mph
Wind
71%
Humidity
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