The "ROCKIN' RIVERFEST" 5k, 10K, HALF MARATHON & Fun Run!
The "ROCKIN' RIVERFEST" 5k, 10K, HALF MARATHON & Fun Run! is a running race on July 3, 2027 in St Charles, MO, with entry fees from $25 to $99.
- Date
- July 3, 2027 (345 days to go)
- Location
- Frontier Park, St Charles, MO
- Price
- $25–$99
- Sport
- Running
From the Organizer
Welcome to the the Rockin' Riverfest 5k,10k Half Marathon and Fun Run! We sold out in 2026' so get registered early!
The Rockin' Riverfest is a fun, flat, fast, family friendly event taking place on Saturday Morning July 3rd including Finishers Medals, T-Shirts, Swag and the works!
Starting at 7:30am. 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)
For registering, you not only get a super fun Race/Run/Walk through the historic district and all the action of Riverfest on the Riverfront, You get a Big Ol' Finishers Medal, Custom Rockin' Riverfest T shirt, (Shirts guaranteed to those that register by June 15) Racers Village Colas, Sports drinks, Race Snacks, Professional race Timing, Instant Results, Timed Splits, Custom Bib Number, and More! The race also includes Free downloadable event pics and finish line video. Awards Ceremony on Podiums with more awards for 1-3rd. Water/Sports drink and Ice at aid stations and Racers Village. 10k and 13.1 see an additional aid stations. Music rocking at racer village and -the new tradition- hose off and try out the Cold Plunge at the finish line pavillion!
A great way to kick off your July 4th festivities. After the race, stick around and make a day of it enjoying the Parade, Historic riverfront shops, Historic St Charles and all of the Riverfest activities. Bring the Friends and Fam as we will have poster board and markers available so they can make signs and cheer you on!
Custom Rockin' Riverfest awards 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. Chip 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"
Packet pick up Thursday, July 1st at Bike Stop Cafe 3-6pm and race morning in Racers Village 6:15-7:15 am.
National Anthem goes at 7:26 am, you go at 7:30!
This is gonna be a fun one, dont miss it, get your friends/fam to join you and lets go!!
Events
Weather
Typical Conditions
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
87°
Typical Low
68°
Chance of Rain
29%
Based on US Climate Normals data from St Charles Elm Pt, 1 mi from the venue.
Host City
About St Charles, MO
Population
71,048
as of 2023
City Elevation
570 ft
Nearest Airport
STL
St. Louis Lambert International Airport · 9 mi
Time Zone
Central Time
From Endurance Grid
A mid-size host city. Enough lodging and amenities to keep race weekend easy, without big-city sprawl.
Race Location
Your Next Start Line
What Are You
Waiting For?
Every finish line starts with a single decision. Claim your spot at The "ROCKIN' RIVERFEST" 5k, 10K, HALF MARATHON & Fun Run!, put it on the calendar, and turn “someday” into a start date.
345
Days to train
- Race
- The "ROCKIN' RIVERFEST" 5k, 10K, HALF MARATHON & Fun Run!
- Date
- July 3, 2027
- Location
- Frontier Park, St Charles, MO
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From Endurance Grid
About This Sport
Endurance Grid is here to help you understand the sport, decide if it’s the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.
With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.
Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.
Running
From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Coming Up
More Running races near St Charles, MO
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Walter's Walk 5K Fundraiser
1 Mile · 5K · From $10 · 13725 Marine Ave
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She Dreams Bigger - Women's Run
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6 miles away
Plan your trip
Make it a Racecation
Coming from out of town? There's more to St Charles than race day. We'll help you line up nearby lodging, flights, a rental car, and things to do so you can make the most of your racecation.
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The "ROCKIN' RIVERFEST" 5k, 10K, HALF MARATHON & Fun Run!
Jul 3, 2027