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Date:
Sat, Feb 21, 2026 at 10:00 AM – 1:00 PM
Location:
Saint Louis County, Missouri
63021
United States
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Links:
bigrivertrailseries.com Register at runsignup.com
Tags:
15k 5k Trail

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!

More races nearby

  • Run for Heart Warriors 5k [runsignup.com]

    Mon, Jun 01, 2026 at 12:00 AM

    Description

    Join us for a fun-filled morning for a great cause!

    The event is designed to raise awareness, and foster hope and support for children and families impacted by Pediatric Heart Disease.

    The in-person...

    Join us for a fun-filled morning for a great cause!

    The event is designed to raise awareness, and foster hope and support for children and families impacted by Pediatric Heart Disease.

    The in-person event is a chip timed 5k race on Queeny Park trails on June 28th. The route is primarily gravel and walkers are also welcome to join. There is also a virtual event option and results can be uploaded to the website June 1st to June 28th!

    ❤️REGISTER EARLY❤️

    You don’t want to miss it!

    • We'll have a DJ bringing the music fun

    • The St. Louis BLUES Mascot, Louie (from 8:30-9AM)

    • Travelin’ Tom’s Coffee Truck will have beverages for purchase

    • The Ballwin Philly Pretzel Factory will be supplying their delicious pretzels for racers 🥨

    • Whole Foods in Town & Country are supplying post race snacks for our racers

    • Queeny Park has a newly renovated playground that is a walkable distance from the event

    ❤️❤️And More!❤️❤️

    AWARDS for the in-person 5k:

    The top 3 overall female and overall male finishers will each win a $50 TARGET GIFT CARD. Additionally, the top male & female in each age group division will receive a top finisher award! Awards will be given out at 9AM, and awards must be picked up at the event after the race is concluded on race day.

    Age divisions:

    12 and under

    13-19

    20-29

    30-39

    40-49

    50-59

    60-69

    70 and over

    ❤️❤️REGISTER today to join in on the FUN for this GREAT CAUSE supporting the Ollie Hinkle Heart Foundation❤️❤️

    All registrants will have the opportunity to include a photo of their Heart Warrior on our Heart Warrior banner that will be displayed race day. If you would like to submit a photo, send a request through the "Questions?" tab below.

    All proceeds will be donated to the Ollie Hinkle Heart Foundation (OHHF).

    5.1 km
    550 Weidman Road, Town and Country, Missouri, 63011, United States
    OpenStreetMap Google Maps

    5k Gravel Run Trail Virtual Walk

  • 8th Annual Heroes for Autism 5K and 1 Mile [freddiefordfamilyfoundation.org] [Register at raceroster.com]

    Sat, Jul 18, 2026 at 8:00 AM

    Description

    The Freddie Ford Family Foundation is a nonprofit supporting under-served families impacted by autism and are raising awareness and acceptance of autism. The Annual Heroes for Autism 5K and Mile is...

    The Freddie Ford Family Foundation is a nonprofit supporting under-served families impacted by autism and are raising awareness and acceptance of autism. The Annual Heroes for Autism 5K and Mile is the annual event to spread awareness and acceptance of autism. It is a family friendly event with music, bounce house, vendors as well as food and drinks for donations. Join the fun dressed as your favorite super hero! This event is for walkers and runners of all ages and abilities.

    The funds raised by this event will support the Freddie Ford Family Foundation programs for social skills, health and fitness, and community education.

    Early Bird Registration fee: $35 for 5k and $25 for Mile. Kids 11 and under are free with a paid registration and can participate in the fun run with adult supervision. Registration fee will increase to $45 for 5k and $35 for mile as of May 1.

    Family Discount! Register 5 or more people, and get a $10/person discount. *Must register in a single transaction.

    2.6 km
    Edgar M. Queeny County Park, 550 Weidman Road, Manchester, Missouri, United States
    OpenStreetMap Google Maps

    1 Miles 5k Run

  • Ballwin Days 5K and 1 Mile Family Fun Run [mseracing.com] [Register at runsignup.com]

    Sun, Aug 16, 2026 at 8:00 AM

    Description

    Kick off the last day of the Ballwin Days Festival with a competitive 5k and/or 1 mile family fun walk/run. Adults and children alike are welcome to run in either or both races. The race starts in...

    Kick off the last day of the Ballwin Days Festival with a competitive 5k and/or 1 mile family fun walk/run. Adults and children alike are welcome to run in either or both races. The race starts in finishes is beautiful Vlasis Park.

    For more information including, but not limited to race options, course maps, schedule of events, packet pickup/endurance expo, volunteer - signup, sponsorship info, parking, etc. Please visit - https://www.mseracing.com/ballwin-days-run

    2.7 km
    300 Park Drive, Ballwin, Missouri, 63011, United States
    OpenStreetMap Google Maps

    1 Miles 3.1 Miles 5k Fun Run Run Walk

  • The Labor Day Slay [runsignup.com]

    Sat, Aug 29, 2026 at 7:30 AM

    Description

    Welcome to The Labor Day Slay! 5k-10k, 10k Ruck, Half Marathon! Brought to you by Rockinator Racing.

    Starting Saturday August 30th at 7:30 am in beautiful Queeny Park.

    Run Walk Jog or Ruck starting...

    Welcome to The Labor Day Slay! 5k-10k, 10k Ruck, Half Marathon! Brought to you by Rockinator Racing.

    Starting Saturday August 30th at 7:30 am in beautiful Queeny Park.

    Run Walk Jog or Ruck starting from Racers Village at the Smith Pavillion, through the shady rolling trails of Queeny park.

    BIG CUSTOM FINISHERS MEDAL INCLUDED! Custom MEDAL badges and awards to the top 3 in all event Age Groups! (1-13, 14-19, 20-29, 30-39, 40-49, 50-59, 60-69, 70+) 5K,10K, Ruck and Half Marathon with podiums and Free photos and video for download!

    For registering, you not only get an awesome run on the beautiful Queeny trails, you get a Big ol' heavy finishers medal, The Rockinator Racing Backpack, A soft spun T-shirt commemorating the event, Race Snacks, Colas, Drinks, Ice Popsicles, Professional Chip Timing, Aid station access every lap at 3.25 miles. Fully marked course, Music rocking at racer village, Podium Awards Ceremony, Free Action Pics and finish line Video. Whew! A great way to kick off Labor Day Weekend!

    Please consider donating a few bucks to The Rockwoods School District Cross Country program. 100% of proceeds go to help keep kids in shoes, jackets, tarps, drinks, and general program support.

    Packet pick up will be race morning starting at 6:15 until 7:15. Please try to pick up your packet early to avoid lines!

    National Anthem goes off at 7:26. You run off at 7:30.

    Its gonna be a great day and super fun way to kick off your weekend! Get signed up before Friday at 9pm! No race day registration.. Get your friends to join you and lets gooo!!

    8.2 km
    Des Peres, Missouri, 63131, United States
    OpenStreetMap Google Maps

    5k 10k 13.1 Miles Run Trail Walk

  • Legacy of Patriots 4th Annual Miles of Memories 5k [legacyofpatriots.org] [Register at runsignup.com]

    Sat, Sep 12, 2026 at 8:15 AM

    Description

    In December of 2021, Captain Andrew Allman was suddenly and abruptly diagnosed with stage four gastric adenocarcinoma, a cancer attributed to his exposure to burn pits from his deployment with the...

    In December of 2021, Captain Andrew Allman was suddenly and abruptly diagnosed with stage four gastric adenocarcinoma, a cancer attributed to his exposure to burn pits from his deployment with the U.S. Army to Baghdad, Iraq eleven years prior. Andrew valiantly fought this aggressive cancer for seven months. Unfortunately, on Father’s Day, June 19 of 2022, he passed away, leaving behind his wife of almost fourteen years, Sarah, and their three school-aged children. Despite the aggressiveness of the cancer and the harsh side effects of the chemotherapy, Andrew resolved to fight with everything he had. At the time of his diagnosis, he was bedridden, but perseverance and determination allowed him to regain some strength and he was able to go on walks during his "rally-period." At one point, he managed to walk three miles in one day with Sarah by his side. His drive to overcome the obstacles he faced are the inspiration behind this 5k.

    Please join Legacy of Patriots for our 4th Annual Miles of Memories walk/run 5k. This will be an in-person event, but there is also a virtual option for our out-of-town supporters! Registration will remain open until the evening before the event. To guarantee you will receive an event t-shirt, please register no later than August 24th!

    7.9 km
    1215 Larkin Williams Road, Saint Louis County, Missouri, 63026, United States
    OpenStreetMap Google Maps

    5k Run Virtual Walk

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