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
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
Atmosphere
Course
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, locking in a training run for a big fall marathon, or just want to cruise a gorgeous course, the DoLittle won’t disappoint. This stretch of the trail is scenic, smooth, and speedy — ideal for setting a PR or just enjoying the spring vibes. 🤔 What’s with the name? You know... Do a little marathon. 😉 Whether that’s a few miles or the full 26.2, we’re here for it! This is not just flat. It is laser-flat, lightning-fast, and fully certified, a course built to reward strong legs and smart pacing. Even better, it is a dream for spectators. Your fans and crew can cheer you on up to eight times without budging, then roll straight into the start and finish to witness the moment you make it official. If you are ready for a high-energy, runner-first marathon that delivers speed, support, and unforgettable vibes, 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
Rosevelt Park, Oconomowoc, WI, 53066
Course Info
USATF CertifiedCourse Type
Loop Course
Terrain
road
Surface
Paved
Difficulty
Ultra-Flat
Net Drop/km
0 m (Flat)
Separation
0.0%
Also Offers
USATF Certified Course
WI24020DM · DoLittle Half Marathon
Relatively flat with minimal net elevation change. Loop course — start and finish are close together.
Quality Score
Standout6910 years running
~255 finishers a year
shrinking
8% returning runners
USATF certified · 5 timing sources · 3 photos
runners from 12 states
winner 1:23:35
typical high 76°F
Race Day Weather
5-year historical avgStart (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
Turnout by year
2018–2025
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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