The 2026 event has concluded.

ONU Polar Bear Indoor Marathon

Ada, OH, USA • January 25, 2026

Race Day Weather

snow
15°
23° high
Breezy
Light rain likely

Cold conditions, light snow expected

Runners will face temperatures starting at 17°F and rising to 23°F, with high humidity at 92%. A light, consistent snow is expected, alongside a gentle breeze from the SE at 9 mph. Participants should dress in layers and focus on maintaining warmth, adjusting their pace conservatively to manage the cold and slippery conditions.

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Area Map

Course Map

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FAQ

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When is the 2026 ONU Polar Bear Indoor Marathon?

The 2026 ONU Polar Bear Indoor Marathon will be held on Sunday January 25, 2026.

Is the ONU Polar Bear Indoor Marathon a Boston Marathon Qualifier?

No, the ONU Polar Bear Indoor Marathon is NOT a Boston Marathon qualifier.

Historical Weather

Based on 13 years of data
Avg Temp
39°F
L:29° H:39°
RunScore
6
Conditions
Rain Freq
38%
5 of 13 yrs
Wind11mph
Dew28°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore

2025 ONU Polar Bear Indoor Marathon

Partly cloudy throughout the day.

2025
clear-day
31°/38°-
7

2024 ONU Polar Bear Indoor Marathon

Cloudy skies throughout the day with a chance of rain throughout the day.

2024
rain
38°/41°Light
5

2023 ONU Polar Bear Indoor Marathon

Cloudy skies throughout the day with a chance of rain throughout the day.

2023
rain
42°/45°Light
7

2020 ONU Polar Bear Indoor Marathon

Partly cloudy throughout the day.

2020
cloudy
32°/36°-
6

2018 ONU Polar Bear Indoor Marathon

Clearing in the afternoon with early morning rain.

2018
partly-cloudy-day
34°/49°-
8

2017 ONU Polar Bear Indoor Marathon

Partly cloudy throughout the day with rain or snow.

2017
partly-cloudy-day
31°/32°Light
6

2016 ONU Polar Bear Indoor Marathon

Partly cloudy throughout the day with late afternoon rain.

2016
cloudy
51°/61°-
7

2015 ONU Polar Bear Indoor Marathon

Partly cloudy throughout the day with rain or snow.

2015
clear-day
34°/38°Light
7

2014 ONU Polar Bear Indoor Marathon

Partly cloudy throughout the day with morning snow.

2014
snow
11°/33°Light
2

2013 ONU Polar Bear Indoor Marathon

Becoming cloudy in the afternoon with late afternoon rain or snow.

2013
clear-day
17°/33°-
5

2012 ONU Polar Bear Indoor Marathon

Clear conditions throughout the day.

2012
clear-day
28°/42°-
4

2011 ONU Polar Bear Indoor Marathon

Becoming cloudy in the afternoon with early morning snow or rain.

2011
partly-cloudy-day
27°/33°-
5

2010 ONU Polar Bear Indoor Marathon

Clear conditions throughout the day.

2010
snow
7°/28°-
3
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