Frontier Park, St Charles MO
Saturday, July 4th, 2026
🏃♂️ Event Overview
Welcome to 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 5th.
🕗 Race Details
- Start Time: 8:00 am.
- Race Options: Run, Jog, or Walk starting on the Katy trail through the Shady single track trails right beside the beautiful Missouri river.
- Water Stations: Pass the water/aid station at mile 1.5 (also mile 4 and 5 for the 10K and double that for the Half).
🎽 Registration Benefits
- Custom Finishers Shirt: Designed for those who register by June 15.
- Race Amenities: Colas, Sports drink, Race Snacks, Professional timing, Instant Results, Timed Splits, Neck Buff, Custom Bib Number.
- Half Marathon Perks: Finishers medal for all participants.
- Photos: Free downloadable finish line pictures and videos.
🎉 Post-Race Celebrations
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!
🏅 Awards & Medals
- Top 3 Awards: Custom Rockin' Riverfest medals in various age groups (1-13, 14-19, 20-29, 30-39, 40-49, 50-59, 60-69, 70+).
- Half Marathon: Finishers medal.
- Timed Splits: Instant results available!
🤝 Charity 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.
🇺🇸 Holiday Festivities
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 Pick-Up
Packet pick up July 3 at Bike Stop Cafe from 3-6 pm and race morning in Racers Village from 6:30-7:30 am.
🎶 National Anthem & Start
National Anthem goes at 7:56 am, you go at 8!
👥 Join Us!
Have your friends join you and let's go!!
🔗 More Information
Course Map
Suggested Races
Find The Run Newsletter