ONU Polar Bear Indoor Marathon
Race Day Weather
Cold start, plan for wind
Runners will face temperatures starting at 24°F and peaking at 33°F, with a notable wind from the SW at 13 mph. Humidity will be around 68%, creating a chilly feel that may drop to 15°F. It's advisable to wear layers and consider pacing adjustments to maintain comfort throughout the race.
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Race Info
The ONU Polar Bear Indoor Marathon is run entirely on the 200-meter indoor track at Ohio Northern University's Sports Center in Ada, Ohio, requiring 211 laps for the marathon and 105.5 laps for the half marathon, with runners reversing direction every 30 minutes. It has run annually in late January since at least 2010, with the field typically 10 to 20 marathon finishers. The race benefits ONU's cross country and track & field programs. Adam Lowe won the 2025 edition in 3:02:36, with Angela Carron the top female finisher in 3:08:12.
