NH

Naperville Half Marathon

Race Date

Oct 18, 2026

Location

Naperville, IL

Logistics

Race Day

Sunday, October 18, 2026

Start Time

TBA

Start Location

Naperville, IL

Directions

Course Info

USATF Certified

Course Type

Loop Course

Terrain

road

Difficulty

Ultra-Flat

Net Drop/km

+0.18 m

Separation

1.1%

Also Offers

10K5K run

USATF Certified Course

IL21011WR · Expires 2031

Relatively flat with minimal net elevation change. Loop course — start and finish are close together.

View USATF Course Map (PDF)

Historical Performance

Median Finish

2:06:07

9:38/mi

Winning Time

0:37:07

2:50/mi

Finishers (2025)

1,096

States Represented

19 / 50

Gender Split

36% Female64% Male

Finish Time Distribution

0:353:15

FASTER 25%

1:50:59

MEDIAN

2:06:07

SLOWER 25%

2:22:46

Average runner age: 41

Race Day Weather

5-year historical avg

Start (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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