Glass City Marathon

Toledo, OH, USA · April 26, 2026
partly-cloudy-day42°·52° high·Breezy·Dry
7
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Race Day Weather

partly-cloudy-day
42°at start
53° high
Breezy
Dry

Cool start, moderate challenges ahead

Runners will face a temperature rise from 42°F at the start to 52°F by the finish, along with an average humidity of 69%. Winds will vary, with crosswinds prevalent in many segments and a notable headwind from miles 14-19. Runners should adjust their pacing strategy, particularly during the headwinds, and stay hydrated to counter the moderate rain expected.

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cloudy8
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partly-cloudy-day7
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cloudy8
cloudy8
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Pace Calculator

Distance: 26.2mi
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Race Plan

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Weather-adjusted pacing, per-mile terrain splits, fueling timeline with aid stations, packing checklist, carb tracker, spectator guide — all personalized to your goal and race-day conditions.

Race Conditions
Terrain Splits
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Carb Tracker
Spectator Guide
Race Band

Race Info

The Glass City Marathon is a marathon located in Toledo, Ohio. The race is typically held in April. The race was established in 1971, starting and ending at the University of Toledo. This race is a USATF certified course and an official qualifier for the Boston Marathon. The race typically draws more than 1,000 competitors for the marathon race alone. Other events include the half-marathon and 5K.

FAQ

When is the 2026 Glass City Marathon?

The 2026 Glass City Marathon will be held on Sunday April 26, 2026.

Is the Glass City Marathon a Boston Marathon Qualifier?

Yes, the Glass City Marathon is an official Boston Marathon qualifier.

What will the weather be like for the 2026 Glass City Marathon?

The forecast calls for a high of 53°F and a low of 41°F with a 42% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.

Historical Weather

Based on 20 years of data
Avg Temp
56°F
L:43° H:56°
RunScore
7
Conditions
Rain Freq
40%
8 of 20 yrs
Wind13mph
Dew39°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
clear-day
38°/60°-
8
2024
rain
64°/75°Light
7
2023
cloudy
39°/45°Light
7
2022
clear-day
64°/82°-
6
2021
cloudy
44°/50°Light
7
2019
cloudy
39°/52°-
7
2018
clear-day
31°/53°-
8
2017
clear-day
36°/62°-
8
2016
clear-day
37°/61°-
8
2015
clear-day
35°/54°-
8
2014
clear-day
37°/50°-
7
2013
rain
51°/56°Light
7
2012
partly-cloudy-day
36°/47°-
7
2011
cloudy
39°/46°-
5
2010
fog
54°/55°Light
8
2009
cloudy
65°/83°-
7
2008
cloudy
35°/38°Light
5
2007
partly-cloudy-day
32°/48°Light
5
2006
cloudy
41°/48°-
8
2004
partly-cloudy-day
49°/63°Light
7