Rockin' Riverfest Half Marathon
Saint Charles, United States • 4 Jul 2026
Rockin' Riverfest events, Frontier Park, St Charles, Missouri
Rockin' Riverfest on July 4 is a multi-distance running event held at Frontier Park on the St Charles riverfront. The event program includes several timed races plus a non-scored fun run/walk and an on-site Racers Village with race-day amenities.
Distances
- 5K
- 10K
- 5K Fun Run/Walk
- Half Marathon (13.1 miles)
Courses start at the Frontier Park pavilion and follow the Katy Trail and adjacent single-track riverscene trails beside the Missouri River. The routes pass at least one aid station; the 10K and the half marathon use additional aid stations and Racers Village locations. The half marathon route includes a turnaround and a repeated loop that returns runners to Racers Village.
Event services include finishers medals, custom Rockin' Riverfest T-shirts with a registration deadline for guaranteed sizes, custom bib numbers, professional race timing with instant results and timed splits, and downloadable event photos and finish line video. Racers Village offers drinks, snacks, music, and ice. The finish area will include a cold plunge feature. Awards are given to the top three in multiple age groups covering youth through 70 plus. Packet pick up locations include Bike Stop Cafe and Racers Village. There is an optional donation opportunity supporting the St Charles School District Cross Country program, with proceeds staying local. Visit the organization's website for the most recent information.