The 2026 DoLittle Marathon has concluded.

DoLittle Marathon

Race complete
Oconomowoc, WI, USA · September 12, 2026
partly-cloudy-day65°·78° high·Breezy·Dry
4
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Race Day Weather

partly-cloudy-day
65°at start
78° high
Breezy
Dry
Your goal
0:00:00

Warm start, light rain expected

Runners will face a warm start at 65°F, rising to 78°F by the finish, with high humidity at 76% and a dew point of 65°F. Light rain is expected throughout, and winds from the SW at 14 mph will create a headwind effect. Runners should start conservatively and consider hydration strategies early to manage the humidity.

partly-cloudy-night6
partly-cloudy-day6
partly-cloudy-day5
clear-day4
rain3
partly-cloudy-day3
partly-cloudy-day3
cloudy3
cloudy3
cloudy3
cloudy3

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Race Info

The DoLittle Marathon is an annual event that starts and finishes at Roosevelt Park in Oconomowoc, WI. It's an out-and-back course on urban and suburban roads, primarily paved and known for being fast and flat, which makes it a great Boston qualifier. There's also a "Run Any Distance" division if you're looking to hit specific training milestones.

Race weekend

Saturday, September 12
8:00 AMMarathon (26.2 mi)
8:00 AMHalf Marathon (13.1 mi)
8:00 AM10K (6.2 mi)
8:00 AM5K (3.1 mi)
Area Map

Course Map

FAQ

When is the 2026 DoLittle Marathon?

The 2026 DoLittle Marathon will be held on Saturday September 12, 2026.

Is the DoLittle Marathon a Boston Marathon Qualifier?

Yes, the DoLittle Marathon is an official Boston Marathon qualifier.

What is the time limit for the DoLittle Marathon?

The time limit for the DoLittle Marathon is 6 hours.

What will the weather be like for the 2026 DoLittle Marathon?

The forecast calls for a high of 78°F and a low of 61°F with a 100% chance of rain.

Historical Weather

Based on 10 years of data
Avg Temp
66°F
L:59° H:72°
RunScore
5
Conditions
Rain Freq
30%
3 of 10 yrs
Wind6mph
Dew59°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
rain
64°/72°Light
4
2024
clear-day
64°/80°-
4
2023
clear-day
60°/72°-
6
2022
cloudy
65°/79°-
4
2021
clear-day
35°/50°-
10
2020
rain
61°/70°Light
5
2019
rain
64°/68°Light
4
2018
clear-day
51°/68°-
7
2017
clear-day
67°/87°-
3
2016
partly-cloudy-day
65°/77°-
4