The 2026 event has concluded.

ONU Polar Bear Indoor Marathon

Ada, OH, USA · January 25, 2026
snow17°·23° high·Breezy·Snow
3

Race Day Weather

snow
17°at start
23° high
Breezy
Snow

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.

snow2
snow3
snow3
snow3
snow3
snow3
snow3
snow4
snow3
snow4
snow3
snow3

Get forecast alerts for ONU Polar Bear Indoor Marathon

We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.

Race Info

Area Map

Course Map

FAQ

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.

What will the weather be like for the 2026 ONU Polar Bear Indoor Marathon?

The forecast calls for a high of 23°F and a low of 14°F with a 100% chance of rain.

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
clear-day
31°/38°-
7
2024
rain
38°/41°Light
5
2023
rain
42°/45°Light
7
2020
cloudy
32°/36°-
6
2018
partly-cloudy-day
34°/49°-
8
2017
partly-cloudy-day
31°/32°Light
6
2016
cloudy
51°/61°-
7
2015
clear-day
34°/38°Light
7
2014
snow
11°/33°Light
2
2013
clear-day
17°/33°-
5
2012
clear-day
28°/42°-
4
2011
partly-cloudy-day
27°/33°-
5
2010
snow
/28°-
3