Des Plaines River Trail Marathon

Lincolnshire, IL, USA · October 10, 2026
partly-cloudy-day53°·64° high·Breezy·Dry
8
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Weather
Course
Race Info
FAQ
History

Race Day Weather

partly-cloudy-day
53°at start
64° high
Breezy
Dry

Comfortable temps, warming through the race

Mild 53°F temps at gun time mean comfortable early miles without overheating risk. Temperatures rising to 64°F through the course will gradually increase perceived effort in the second half. Light winds shouldn't be a major factor for pacing.

Race day forecast available in 17 days
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Race Info

The Des Plaines River Trail Marathon takes place each October in Lake County, Illinois, offering marathon, half marathon, 50K, and 50 mile distances on the Des Plaines River Trail. The route is a flat, crushed gravel trail through forest preserves and wetlands, with road crossings handled by bridges or viaducts. The marathon is a Boston Marathon qualifier. All distances start and finish at Half Day Forest Preserve near Lincolnshire/Vernon Hills, Illinois. Source

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Course Map

Course Map Unavailable

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FAQ

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When is the 2026 Des Plaines River Trail Marathon?

The 2026 Des Plaines River Trail Marathon will be held on Saturday October 10, 2026.

Is the Des Plaines River Trail Marathon a Boston Marathon Qualifier?

Yes, the Des Plaines River Trail Marathon is an official Boston Marathon qualifier.

What is the time limit for the Des Plaines River Trail Marathon?

The time limit for the Des Plaines River Trail Marathon is 10.5 hours.

What will the weather be like for the 2026 Des Plaines River Trail Marathon?

The forecast calls for a high of 65°F and a low of 51°F with a 9% chance of rain.

Historical Weather

Based on 15 years of data
Avg Temp
57°F
L:46° H:60°
RunScore
7
Conditions
Rain Freq
27%
4 of 15 yrs
Wind10mph
Dew42°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults

2025 Des Plaines River Trail Marathon

Partly cloudy throughout the day.

2025
clear-day
50°/65°-
9

2024 Des Plaines River Trail Marathon

Becoming cloudy in the afternoon with late afternoon rain.

2024
clear-day
60°/65°-
8

2023 Des Plaines River Trail Marathon

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

2023
rain
51°/55°Light
6

2022 Des Plaines River Trail Marathon

Clear conditions throughout the day.

2022
clear-day
36°/54°-
7

2021 Des Plaines River Trail Marathon

Clear conditions throughout the day.

2021
clear-day
45°/67°-
8

2019 Des Plaines River Trail Marathon

Partly cloudy throughout the day.

2019
clear-day
38°/56°-
6

2018 Des Plaines River Trail Marathon

Clear conditions throughout the day.

2018
clear-day
34°/54°-
8

2017 Des Plaines River Trail Marathon

Partly cloudy throughout the day with a chance of rain throughout the day.

2017
rain
62°/64°Light
6

2016 Des Plaines River Trail Marathon

Partly cloudy throughout the day.

2016
cloudy
56°/68°-
7

2015 Des Plaines River Trail Marathon

Clear conditions throughout the day.

2015
clear-day
33°/52°-
8

2014 Des Plaines River Trail Marathon

Partly cloudy throughout the day with morning rain.

2014
cloudy
46°/50°Light
7

2013 Des Plaines River Trail Marathon

Partly cloudy throughout the day with rain.

2013
cloudy
44°/53°Light
8

2012 Des Plaines River Trail Marathon

Partly cloudy throughout the day.

2012
partly-cloudy-day
42°/57°-
9

2011 Des Plaines River Trail Marathon

Clear conditions throughout the day.

2011
clear-day
38°/66°-
8

2010 Des Plaines River Trail Marathon

Partly cloudy throughout the day.

2010
cloudy
60°/71°-
8

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