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8 events in Saint Louis County, Missouri

From big races to Saturday morning group runs—find 5k events and connect with the local endurance sports community.

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  • Castlewood Cup [bigrivertrailseries.com] [Register at runsignup.com]

    Sat, Feb 21, 2026 at 10:00 AM

    Description

    The 2026 Castlewood Cup returns to Castlewood State Park. Join us for some of the most beautiful scenery and well maintained single track in Missouri! A perfect combination of hills, switchbacks, and (some!) flat terrain await you. Break up the winter monotony and get back into the woods!

    5k 15k Trail

    Saint Louis County, Missouri, 63021, United States
    OpenStreetMap Google Maps
  • Glendale, MO Firehouse Run [runsignup.com]

    Sat, Mar 28, 2026 at 8:00 AM

    Description

    The 46th ANNUAL Glendale Firehouse Run 1-mile, 5K, and 10K run benefits Glendale-Kirkwood Kiwanis Youth Programs, Backstoppers, and Responder Rescue. The first 300 registrants will receive a t-shirt....

    The 46th ANNUAL Glendale Firehouse Run 1-mile, 5K, and 10K run benefits Glendale-Kirkwood Kiwanis Youth Programs, Backstoppers, and Responder Rescue. The first 300 registrants will receive a t-shirt. Awards & attendance prizes will be provided following the Run. Chip timing services are provided by Big River Race Management. Please note that race registrations are non-refundable.

    Packet Pickup

    If you missed packet pickup March 23-27, you may pick up them up on the morning of the race between 7:00 and 8:00 a.m.

    Parking

    Parking is extremely limited around Glendale City Hall, so please walk or carpool when/if possible. Parking will not be available at the City Hall parking lots nor the lots across the street from City Hall. Participants may park where there is legal street parking, as well as at North Glendale Elementary (765 N. Sappington Rd.) and Kirkwood Early Child Center (100 N. Sappington Rd.).

    Race Route

    The race will start and end right in front of the Glendale City Hall located at 424 N. Sappington Rd. The 1-mile fun run will begin at 8:00 a.m. The 5k and 10k will start at 8:30 a.m. The 10k route is the 5k route ran twice. Please note that this is a shared road event meaning that the road remains open to vehicle traffic throughout the race.

    Awards Categories

    • Awards will be presented to the first overall male and female finishers in both the 5k and 10k events.

    • Awards will be given to the top three male and female finishers in the following age groups for the 5k: 14 & Under, 15-19, 20-29, 30-39, 40-49, 50-59, 60-69, and 70 & Over.

    • Awards will be given to the first overall male and female finishers in the following age groups for the 10k: 19 & Under, 20-29, 30-39, 40-49, 50-59, 60-69, and 70 & Over.

    Please note this race is organized by the City of Glendale, Missouri. It is not affiliated with the City of Glendale, California.

    1 Miles 5k 10k Fun Run Run Walk

    424 N Sappington Rd, Saint Louis County, Missouri, 63122, United States
    OpenStreetMap Google Maps
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