Mill Race Marathon

Columbus, IN, USASeptember 26, 2026
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Race Day Weather

partly-cloudy-day
58°
77° high
Breezy
Dry

Warm day, adjust pace wisely

Runners will face temperatures rising from 58°F at the start to a warm 77°F by the finish. Humidity sits at 67%, which may feel oppressive, and a light headwind will persist throughout. It's advisable for runners to start conservatively and hydrate frequently to manage the rising heat.

Race day forecast available in 177 days
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The Marathon course is a flat, fast Boston Qualifier that runs through downtown Columbus taking advantage of the shady People Trails and City Parks as well as taking participants past the architectural sights of the city. Source

Area Map

Course Map

FAQ

When is the 2026 Mill Race Marathon?

The 2026 Mill Race Marathon will be held on Saturday September 26, 2026.

Is the Mill Race Marathon a Boston Marathon Qualifier?

Yes, the Mill Race Marathon is an official Boston Marathon qualifier.

What will the weather be like for the 2026 Mill Race Marathon?

The forecast calls for a high of 77°F and a low of 58°F with a 0% chance of rain.

Historical Weather

Based on 11 years of data
Avg Temp
78°F
L:60° H:78°
RunScore
7
Conditions
Rain Freq
18%
2 of 11 yrs
Wind8mph
Dew58°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
clear-day
54°/79°-
8
2024
rain
66°/69°Light
7
2023
clear-day
55°/79°-
8
2022
rain
56°/73°Light
8
2019
clear-day
68°/86°-
7
2018
clear-day
59°/63°-
9
2017
clear-day
65°/90°-
7
2016
partly-cloudy-day
67°/82°-
8
2015
cloudy
63°/74°-
7
2014
clear-day
55°/81°-
8
2013
clear-day
51°/81°-
8