NH
Naperville Half Marathon
Race Date
Oct 18, 2026
Location
Naperville, IL
Course Info
USATF CertifiedTerrain
road
Elevation Gain
0'
Net Drop/km
0 m (Flat)
Separation
0.0%
Also Offers
10K5K run
USATF Certified Course
IL23003WR · Naperville Women's HM
Relatively flat with minimal net elevation change. Loop course — start and finish are close together.
Race Day Weather
5-year historical avgStart (Low)
44°
Afternoon (High)
61°
Pleasant conditions — light layers at start, comfortable by finish
0.1"
Precipitation
13 mph
Wind
66%
Humidity
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