Central Illinois Summer Trail Series #3
Washington, IL
Fri, Aug 6, 2027
In 284 days · Fri, Aug 6, 2027
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Friday, August 6th, 2027
810 W Bittersweet Road, Washington IL
66–83°F · some rain risk
See last 10 years
On this date: rain 2 of the last 10 years
2025
69–86°F
dry
2024
65–78°F
dry
2023
65–77°F
rain
2022
76–90°F
dry
2021
69–86°F
dry
2020
61–81°F
dry
2019
64–86°F
dry
2018
70–78°F
rain
2017
64–75°F
dry
2016
68–81°F
dry
Best months to race in Illinois →
Race-day forecast · Friday, Aug 6
Cloudy · 65–87°F
Friday, Aug 6starts near 65°F · 5% chance of rain · wind up to 14 mph
About this race
The Central Illinois Summer Trail Series wraps up its first season in epic fashion at Farmdale Reservoir—a premier Central Illinois destination for trail running, mountain biking, and hiking, and the legendary home of the annual Farmdale Endurance Trail Runs (including the grueling 30-, 50-, and 100-mile ultras)!
With approximately 15 miles of diverse, well-maintained trails—including fast open stretches, tight twisty singletrack, fun gravity dips, ravines, meandering paths through prairie and woods, and a perfect mix of technical challenges and flow—this spot is built for adventure and has tested countless runners over the years.
Come close out the series strong, toe the line with the area's top trail talent, see where you stack up, and celebrate completing the full Summer Trail journey on one of the region's most iconic courses!
Course map
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