In 312 days · Sat, Jul 3, 2027
Don't let race day sneak up
One email during race week. That's it.
When
Saturday, July 3rd, 2027
Where
Frontier Park, St Charles MO
Distances
5K · 10K · Half
Typical weather
71–88°F · some rain risk
See last 10 years
On this date: rain 5 of the last 10 years
2026
78–94°F
dry
2025
69–89°F
dry
2024
74–90°F
rain
2023
66–89°F
dry
2022
69–87°F
rain
2021
61–81°F
dry
2020
74–85°F
rain
2019
73–89°F
rain
2018
74–88°F
dry
2017
69–89°F
rain
Best months to race in Missouri →
About this race
Event Overview
- Title: Rockin' Riverfest 5k, 10K, Half Marathon & Fun Run
- Date: July 3, 2027
- Location: Frontier Park, St Charles, MO
- Registration: Early registration recommended, as the event sold out in 2026
Race Details
- Start Time: 7:30 AM
- Course: Katy trail and Shady single track trails beside the Missouri river
- Aid Stations: Located at miles 1.5, 4, and 5 (additional for 10K and Half Marathon)
- Finishers Perks: Medals, T-Shirts, and Swag
Registration Benefits
- Finishers Medal: Big Ol' Finishers Medal for all participants
- T-Shirt: Custom Rockin' Riverfest T-shirt (guaranteed for registrations by June 15)
- Race Amenities: Cola, sports drinks, snacks, and professional race timing
- Event Photos: Free downloadable event pictures and finish line video
Post-Race Activities
- Celebrations: After the race, enjoy the Parade and Riverfest activities
- Family Engagement: Poster board and markers available for cheers
- Awards: Custom awards for top 3 in various age groups
- Community Support: Donations to St Charles School District Cross Country program encouraged
Event Highlights
- Festival Features: Live music, great food, children's activities, and a carnival
- Fireworks: Fireworks display on both evenings of the festival
- Packet Pickup: Thursday, July 1st at Bike Stop Cafe (3-6 PM) and race morning (6:15-7:15 AM)
- National Anthem: Will be sung at 7:26 AM before race start
Final Note
- Join Us: This is going to be a fun one, so gather your friends and family!
- More Information: Visit Rockin' Riverfest webpage
Course map
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