In 188 days · Sat, May 8, 2027
Don't let race day sneak up
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Saturday, May 8th, 2027
418 Main St, Lemont IL
10 Miles · 5K
46–66°F · some rain risk
See last 10 years
On this date: rain 2 of the last 10 years
2026
42–63°F
dry
2025
44–59°F
dry
2024
50–78°F
dry
2023
49–63°F
rain
2022
43–65°F
dry
2021
34–53°F
rain
2020
31–47°F
dry
2019
44–71°F
dry
2018
51–76°F
dry
2017
35–58°F
dry
Best months to race in Illinois →
About this race
The Lemont Quarryman Challenge 5K and 10-mile race offers runners a challenging course in Lemont's unique, scenic and small town setting. The 5K and 10-mile race start and finish in historic downtown Lemont and wind through the hilly neighborhoods of Lemont. **Must be registered by April 25th to be guaranteed a race shirt.**
Course map
Train with a club
Run clubs near Lemont to train with before race day.
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