The "ROCKIN' RIVERFEST" 5k, 10K, Half Marathon & Fun Run!

The "ROCKIN' RIVERFEST" 5k, 10K, Half Marathon & Fun Run!

Race Date

Jul 4, 2026

Location

St Charles, MO

The Experience

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! 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 an awesome  Race/Run/Walk through the historic district and all the action of Riverfest on the Riverfront, you get a custom finishers Rockin' Riverfest T shirt, (Shirts guaranteed to those that register by June 15) Racers Village Colas, Sports drink, Race Snacks, Professional race Timing, Instant Results, Timed Splits, Custom Bib Number, and ALL 5k, 10k and Half Marathon participants also recieve a FINISHERS MEDAL! The race also includes Free downloadable finish line pics and video.  Whew!  Awards Ceremony on Podiums.  Water/Sports drink and pickle juice and Ice at aid stations and Racers Village. 10k and 13.1 see an additional aid stations. Music rocking at racer village! 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!  The full Parade starts at 10 am and goes right by Racers Village on Main St! 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"   Packet pick up Thursday, July 3 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! Get your friends/fam to join you and lets go!!

Logistics

Race Day

Saturday, July 4, 2026

Start Time

7:30 AM

Giveaway

ROCKIN' RIVERFEST T-Shirt

Start Location

Frontier Park, St Charles, MO, 63301

Directions

Course Info

Course Type

Loop Course

Terrain

road

Difficulty

Ultra-Flat

Also Offers

5K10K3K

Historical Performance

Median Finish

2:17:15

10:29/mi

Winning Time

1:32:34

7:04/mi

Finishers (2025)

123

States Represented

11 / 50

Gender Split

59% Female41% Male

Finish Time Distribution

1:303:45

FASTER 25%

2:02:40

MEDIAN

2:17:15

SLOWER 25%

2:42:27

Average runner age: 33

Race Day Weather

5-year historical avg

Start (Low)

70°

Afternoon (High)

87°

Hot conditions — adjust pace expectations, prioritize hydration

0.2"

Precipitation

8 mph

Wind

74%

Humidity

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