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This page covers the 2026 edition, which has already taken place. See the next Clinton Half Marathon (September 12, 2027) →
Clinton Half Marathon

Clinton Half Marathon

Clinton Half Marathon: A fast, flat course with a loyal following in Iowa.

Race Date

Sep 13, 2026

Location

Clinton, IA

Standout72

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
1,755

Highlights

Good For

PR FriendlyBeginner FriendlyDestination Worthy

Atmosphere

Local CommunityWell Organized

Course

Fast Flat

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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Logistics

Race Day

Sunday, September 13, 2026

Start Time

TBA

Start Location

Clinton, IA

Directions

Course Info

Course Type

Loop Course

Terrain

road

Surface

Paved

Difficulty

Ultra-Flat

Net Drop/km

0 m (Flat)

Separation

0.0%

Also Offers

10K5K run

Quality Score

Standout72
Methodology
Heritage20/20

14 years running

Size10/15

~103 finishers a year

Momentum5/5

growing or steady

Loyalty20/20

41% returning runners

Course & details6/15

3 timing sources · 4 photos

National draw6/10

runners from 9 states

Front-pack speed5/5

winner 1:07:04

Weather0/10

typical high 80°F

Race Day Weather

5-year historical avg

Start (Low)

60°

Afternoon (High)

81°

Hot conditions — adjust pace expectations, prioritize hydration

0.1"

Precipitation

10 mph

Wind

66%

Humidity

Historical Finish Times

How 1,755 finishers actually crossed the line across 14 years.

Most recent

2026

Total finishers

1,755

Median time

2:04:30

Latest turnout

103

States

12

10%
25%
75%
90%
1:05p50 median ≈ 2:003:25

Turnout by year

2017–2026

'17'18'19'22'23'24'25'26
See full results

Hover the histogram to inspect specific finish times.

Race Photos

Frequently asked

When is the Clinton Half Marathon?

The Clinton Half Marathon was held on Sunday, September 13, 2026. The next edition is on September 12, 2027.

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 1,755 runners who have completed the Clinton Half Marathon.

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