Clinton Half Marathon
Clinton Half Marathon: A fast, flat course with a loyal following in Iowa.
Race Date
Sep 13, 2026
Location
Clinton, IA
Quick facts
- Date
- Sunday, September 13, 2026
- Location
- Clinton, Iowa
- Distance
- Half marathon (13.1 mi) + 10K, 5K run
- Course
- Loop Course
- Terrain
- Road
- USATF certified
- Not listed
- Finishers on record
- 1,649
Highlights
Good For
Atmosphere
Course
The Experience
The Clinton Half Marathon, first run in 2011, has become a fixture for runners seeking a straightforward, fast race. With 13 editions to its name, this event draws participants from across the region, many of whom return year after year, with about 34% of finishers coming back.
The course is noted for its flat profile, offering a prime opportunity for personal bests. Runners can expect a road race experience that is conducive to quick times, with typical winning times around 69 minutes.
While the median field size hovers around 97 finishers, the event is growing and fosters a sense of community among its participants. The race offers a no-frills, efficient experience for those focused on the run itself.
Race-provided description
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Course Info
Course Type
Loop Course
Terrain
road
Surface
Paved
Difficulty
Ultra-Flat
Net Drop/km
0 m (Flat)
Separation
0.0%
Also Offers
Quality Score
Standout6613 years running
~97 finishers a year
growing or steady
34% returning runners
2 timing sources · 4 photos
runners from 1 state
winner 1:09:08
typical high 81°F
Race Day Weather
5-year historical avgStart (Low)
60°
Afternoon (High)
81°
Hot conditions — adjust pace expectations, prioritize hydration
0.1"
Precipitation
10 mph
Wind
66%
Humidity
Historical Finish Times
How 1,649 finishers actually crossed the line across 13 years.
Most recent
2025
Total finishers
1,649
Median time
2:04:54
Latest turnout
117
States
6
Turnout by year
2016–2025
Hover the histogram to inspect specific finish times.
Race Photos
Frequently asked
When is the Clinton Half Marathon?
The Clinton Half Marathon is held on Sunday, September 13, 2026.
Where does the Clinton Half Marathon take place?
It takes place in Clinton, Iowa.
What distances does the Clinton Half Marathon offer?
The half marathon (13.1 miles), plus 10K, 5K run.
Is the Clinton Half Marathon course flat and good for a PR?
The Clinton Half Marathon is a ultra-flat, loop course course.
How many people run the Clinton Half Marathon?
HalfRuns has finish records for 1,649 runners who have completed the Clinton Half Marathon.
HalfRuns editorial — independent, no paid placement.
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