Frontier Park, St Charles MO
Saturday, July 4th, 2026
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. The Parade starts at 10:00 this year so run it and stick around for the Parade!
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 splits are timed with Instant results.
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.
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."
National Anthem goes at 7:26 AM, you go at 7:30!
Get your friends/fam to join you and let's go!
For more information and registration, visit Rockin' Riverfest 5k, 10K, Half Marathon & Fun Run!.
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