Frontier Park, St Charles MO
Saturday, July 4th, 2026
Event Overview
Welcome to the the Rockin' Riverfest 5k, 10k Half Marathon and Fun Run!
The Rockin' Riverfest is a fun, flat, fast, family friendly event taking place on Saturday Morning July 4th.
Race Details
- Date: July 4, 2026
- Start Time: 8:00 am
- Location: Frontier Park, St Charles, MO
- Distance Options: 5k, 10K, Half Marathon, Fun Run
Course Information
Race/Run/Jog or Walk starting on the Katy trail through the Shady single track trails right beside the beautiful Missouri river. Pass the water/aid station at mile 1.5 (also mile 4 and 5 for the 10K and double that for the Half).
Perks of Registration
- Finishers T-Shirt: Custom Rockin' Riverfest T-shirt guaranteed to those that register by June 15.
- Racer Amenities: Colas, Sports drink, Race Snacks, Professional race Timing, Instant Results, Timed Splits, Custom Bib Number.
- Finisher Medals: All 5k, 10k and Half Marathon participants also receive a FINISHERS MEDAL!
- Awards Ceremony: Podiums, with additional aid stations for 10k and Half Marathon. Music rocking at Racer Village!
Post-Race Activities
Cheer on your friends and family! A great way to continue your July 4th festivities. After the race, stick around and make a day of it enjoying the Historic riverfront shops, Historic St Charles and all of the Riverfest activities!
Age Group Awards
Custom Rockin' Riverfest MEDALS to top 3 in the following age groups: (1-13, 14-19, 20-29, 30-39, 40-49, 50-59, 60-69, 70+). 5k, 10k and Half Marathon participants will receive splits timed with Instant results!
Community Support
Please consider donating a few bucks to The St Charles School District Cross Country program. 100% of proceeds stay local and go to help keep kids in shoes, jackets, tarps, drinks, and general program support.
Festival Highlights
Make a holiday of it! "Saint Charles Riverfest is the City's premier Fourth of July Festival featuring live music, great food and drinks, children's activities, a carnival and more. This year will feature a fireworks display on both evenings."
Packet Pickup Information
- Date: Thursday, July 2 at Bike Stop Cafe 3-6pm
- Race Morning: In Racers Village 6:30-7:30 am
Race Day Schedule
- National Anthem: 7:56 am
- Race Start: 8:00 am
Get Involved!
Get your friends to join you and let's go!
More Information
For more details, please visit the Rockin' Riverfest Race Page.
Course Map
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