HalfRuns
DoLittle Marathon

DoLittle Marathon

The DoLittle Marathon offers a laser-flat, certified course perfect for PRs and spectator engagement.

Race Date

Sep 12, 2026

Location

Oconomowoc, WI

Standout69

Quick facts

Date
Saturday, September 12, 2026
Location
Oconomowoc, Wisconsin
Distance
Half marathon (13.1 mi) + 26.2 Miles, 24 Miles, 6.2 Miles, 3.1 Miles, 13.1 Miles
Course
Loop Course
Terrain
Road
USATF certified
Yes
Finishers on record
1,094

Highlights

Good For

PR FriendlyBQ Relevant

Atmosphere

Spectator SupportGreat SwagWell Organized

Course

Fast Flat

The Experience

The DoLittle Marathon in Oconomowoc, Wisconsin, is designed for speed and spectator enjoyment. This certified course is described as "laser-flat, lightning-fast," making it an ideal setting for runners aiming for personal bests or seeking a fast, rewarding race. The course's design also benefits spectators, allowing them to cheer on runners multiple times without significant travel.

Now in its 10th year, the DoLittle Marathon typically sees around 246 finishers, drawing participants from approximately 12 states. While the repeat-runner loyalty is modest at about 8%, the race is noted for its smooth, scenic, and speedy route, offering a welcoming environment for both seasoned marathoners and those running shorter distances. The event provides a dry-wick shirt as a giveaway, and the typical race-day weather is pleasant, ranging from 57–76°F.

Race-provided description

Whether you’re gearing up for your first race, using DoLittle as a training run for a big fall goal, chasing a PR, or just looking for a smooth race-day experience, this race is built for you. The course uses the flat and fast Lake Country Trail, giving runners a scenic, smooth, and speedy route with plenty of room to settle in and run smart. 🤔 What’s with the name? You know… Do a little marathon. 😉 Run a few miles, run the full 26.2, walk, ruck, or choose The RAD — Run Any Distance option. However you show up, we’re here for it. This is not just flat. It is laser-flat, lightning-fast, and fully certified — a course designed to reward steady pacing, strong legs, and smart racing. It is also extremely spectator-friendly. Your fans and crew can see you multiple times throughout the race without turning the morning into a county-wide scavenger hunt. If you are ready for a high-energy, runner-first event with speed, support, live tracking, great vibes, and a finish-line moment worth chasing, lace up and join us. This is the race that shows up.

Logistics

Race Day

Saturday, September 12, 2026

Start Time

8:00 AM

Giveaway

Dry Wick Shirt

Start Location

Roosevelt Park, Oconomowoc, WI, 53066

Directions

Course Info

USATF Certified

Course Type

Loop Course

Terrain

road

Surface

Paved

Difficulty

Ultra-Flat

Net Drop/km

0 m (Flat)

Separation

0.0%

Also Offers

26.2 Miles24 Miles6.2 Miles3.1 Miles13.1 Miles

USATF Certified Course

WI24020DM · DoLittle Half Marathon

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

Quality Score

Standout69
Methodology
Heritage20/20

10 years running

Size12/15

~255 finishers a year

Momentum5/5

shrinking

Loyalty8/20

8% returning runners

Course & details15/15

USATF certified · 5 timing sources · 3 photos

National draw6/10

runners from 12 states

Front-pack speed3/5

winner 1:23:35

Weather0/10

typical high 76°F

Race Day Weather

5-year historical avg

Start (Low)

57°

Afternoon (High)

76°

Warm — hydration strategy is key, start conservatively

0.2"

Precipitation

9 mph

Wind

74%

Humidity

Historical Finish Times

How 1,094 finishers actually crossed the line across 10 years.

Most recent

2025

Total finishers

1,094

Median time

2:18:25

Latest turnout

123

States

21

10%
25%
75%
90%
1:10p50 median ≈ 2:055:30

Turnout by year

20182025

'18'19'20'21'22'23'24'25
See full results

Hover the histogram to inspect specific finish times.

Race Photos

Frequently asked

When is the DoLittle Marathon?

The DoLittle Marathon is held on Saturday, September 12, 2026, starting at 8:00 AM.

Where does the DoLittle Marathon take place?

It takes place in Oconomowoc, Wisconsin.

What distances does the DoLittle Marathon offer?

The half marathon (13.1 miles), plus 26.2 Miles, 24 Miles, 6.2 Miles, 3.1 Miles, 13.1 Miles.

Is the DoLittle Marathon course flat and good for a PR?

The DoLittle Marathon is a ultra-flat, loop course course. The course is USATF-certified, so finish times can be used for qualifying.

How many people run the DoLittle Marathon?

HalfRuns has finish records for 1,094 runners who have completed the DoLittle Marathon.

HalfRuns editorial — independent, no paid placement.

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