The 2026 Starved Rock Country Marathon has concluded.

Starved Rock Country Marathon

Race complete
Ottawa, IL, USA · May 9, 2026
clear-day53°·75° high·Windy·Dry
8
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Race Day Weather

clear-day
53°at start
77° high
Windy
Dry

Cool start, warming race

Runners will face a temperature rise from 52°F to 77°F, with humidity averaging 62%. Winds will be from the WSW at 21 mph, creating a headwind throughout. As temperatures increase, it's advisable for runners to start conservatively and monitor hydration closely, especially in the warmer conditions.

partly-cloudy-night9
partly-cloudy-day9
partly-cloudy-day8
clear-day8
clear-day7
clear-day8
clear-day8
clear-day7
clear-day6
partly-cloudy-day5
partly-cloudy-day6

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Race Info

Area Map

Course Map

FAQ

When is the 2026 Starved Rock Country Marathon?

The 2026 Starved Rock Country Marathon will be held on Saturday May 9, 2026.

What will the weather be like for the 2026 Starved Rock Country Marathon?

The forecast calls for a high of 77°F and a low of 51°F with a 0% chance of rain.

Historical Weather

Based on 10 years of data
Avg Temp
69°F
L:53° H:69°
RunScore
7
Conditions
Rain Freq
30%
3 of 10 yrs
Wind12mph
Dew49°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore
2025
clear-day
51°/82°-
8
2024
clear-day
52°/71°-
7
2023
cloudy
61°/73°-
8
2022
partly-cloudy-day
66°/84°-
7
2019
partly-cloudy-day
47°/51°Light
8
2018
rain
48°/55°Light
8
2017
partly-cloudy-day
52°/78°-
8
2016
cloudy
42°/47°-
5
2015
cloudy
65°/76°Light
8
2014
clear-day
51°/74°-
8