Tomorrow! · Sun, Oct 11, 2026
Don't let race day sneak up
One email during race week. That's it.
Sunday, October 11th, 2026
Macklind Dr, St. Louis MO
5K
53–72°F · low rain risk
See last 10 years
On this date: rain 3 of the last 10 years
2025
58–76°F
dry
2024
51–81°F
dry
2023
48–77°F
dry
2022
62–79°F
rain
2021
63–77°F
rain
2020
60–82°F
dry
2019
42–69°F
rain
2018
47–57°F
dry
2017
53–64°F
dry
2016
55–79°F
dry
Best months to race in Missouri →
Race-day ready
Everything but the shoes.
Real running socks, a bib belt, anti-chafe — the cheap upgrades that matter.
Race-day forecast · Sunday, Oct 11
Cloudy · 57–86°F
Sunday, Oct 11starts near 57°F · 1% chance of rain · wind up to 6 mph
About this race
Cardinal Glennon Sun Run
Devoted ♥ to more miles - Join us for our 10 th year!
Sunday, October 11, 2026
Forest Park Festival and Parking Plaza (formerly Upper Muny Parking Lot) (opens in new tab)
The Sun Run features a chip-timed 5k or a casual 1-mile walk option. Every run/walk registrant will receive our 10th anniversary t-shirt.
At the Sun Run, you’ll have a “10/10” robust participant experience in Runners’ Village including local food and beverage vendors, a family-friendly DJ, face painters, balloon artists and SO MUCH MORE!
Course map
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