From big races to Saturday morning group runs—find 10k events and connect with the local endurance sports community.
The City of Chesterfield's Annual Shamrock Run will take place on March 14, 2026, at the Chesterfield Valley Athletic Complex. The race will consist of a 5K or 10K race, as well as a Fun Run Race for kids! The 5k and 10K will begin at 8:30am and the Fun Run will begin at 10am. Each participant will receive a shirt if registered by February 22. First place in age category will receive a medal for 5K and 10K. Fun Run racers are all guaranteed medals.
SHAMROCK FEES:
5K/10K:
$25 Early Bird - through February 15
$35 February 16 – March 13
$45 Race Day
LIL’ LEPRECHAUN RUN:
$15 through Race Day
Packet Pick Up:
Friday, March 13th, 10:30am-6:30pm
Dick's Sporting Goods 64 Thf Blvd Chesterfield MO 63005
Race day packet pick up will be from 7:30am until the start of the race. Race starts at 8:30am!
Chesterfield Valley Athletic Complex, Race Location
Chesterfield Regional Chamber
Blossom Bolt & Sprout Sprint
sponsored by
Event Supports the Chamber Programs and
Register early and reserve your swag!
Join us for the 9th Annual Chesterfield Regional Chamber Blossom Bolt Run/Walk. The family friendly event will begin at 8am on Saturday, April 4th. The 5K (3.1 mile) and 10K (6.2 mile) courses are out and back flat trails. The Chamber also hosts a half-mile Sprout Sprint (aka Children's Fun Run) for ages 10 and under. This event is sponsored by Bayer CropScience, Orangetheory Fitness - Chesterfield, First Community Credit Union, St. Luke's Hospital, and Ryan Lawn & Tree. A portion of the proceeds to benefit Alzheimer's Association - The Longest Day.
The 5K is an out and back course starting on Edison Ave. west of Chesterfield Business Parkway, west on Edison Ave. to a point about ½ block past Spirit of St. Louis Blvd. where participant will make a 180 degree turn and return to the start/finish line.
Water Stop Sponsor:
Silver Sponsors:
Pace Car Sponsors:
Bib Sponsors:
Bronze Sponsors:
Gumbo Flats Pumpkin Run
Benefits:
Saturday, October 10, 2026
Presented by:
Join us for the 25th Annual Gumbo Flats Pumpkin Run
The Chesterfield Regional Chamber is proud to announce its 24th Annual Gumbo Flats Pumpkin Run. This popular event will take place on Saturday, October 10, 2026 and will begin at the Chesterfield Towne Center. Hundreds of community members join us each year for the annual Chesterfield Chamber of Commerce Gumbo Flats Pumpkin Run/Walk. The 5K and 10K are out and back courses. The Chamber also hosts a half-mile Children's Fun Run for ages 10 and under. Costumes are encouraged for kids and adults alike!
8am 5k/10k
9am Kid Fun Run