Great Western Half Marathon and 10K

Race Date

May 3, 2026

Location

Saint Charles, IL

Logistics

Race Day

Sunday, May 3, 2026

Start Time

TBA

Start Location

Saint Charles, IL

Directions

Course Info

USATF Certified

Course Type

Loop Course

Terrain

road

Difficulty

Ultra-Flat

Net Drop/km

0 m (Flat)

Separation

0.0%

Also Offers

10K run

USATF Certified Course

IL23005WR · Expires 2033 · Great Western HM

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

View USATF Course Map (PDF)

Historical Performance

Median Finish

1:59:47

9:09/mi

Winning Time

0:28:57

2:13/mi

Finishers (2025)

328

States Represented

9 / 50

Gender Split

41% Female59% Male

Finish Time Distribution

0:253:25

FASTER 25%

1:48:30

MEDIAN

1:59:47

SLOWER 25%

2:15:17

Average runner age: 42

See Full Results

Race Day Weather

5-year historical avg

Start (Low)

45°

Afternoon (High)

64°

Pleasant conditions — light layers at start, comfortable by finish

0.1"

Precipitation

13 mph

Wind

70%

Humidity

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