Chesterfield Shamrock 10k

MAR
14
2026
Annual Shamrock Run in Chesterfield features 5K and 10K races plus a kids fun run at Chesterfield Valley Athletic Complex on March 14, 2026. Registered participants by February 22 receive a shirt and top age finishers earn medals.
Sat 14 Mar 2026
10 kilometers 5 kilometers

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Chesterfield Shamrock 5k/10k & Leprechaun Fun Run

The City of Chesterfield's annual Shamrock Run is scheduled for March 14, 2026, at the Chesterfield Valley Athletic Complex in Chesterfield, MO 63005. The event offers multiple distance options and a children’s fun run held on the same day.

  • 5K Run/Walk
  • 10K Run/Walk
  • Kids Fun Run

Participants who register by February 22 will receive a shirt. For the 5K and 10K events, first place finishers in each age category receive medals. All Fun Run participants are guaranteed medals.

Published entry fees for the 5K and 10K are tiered by date: $25 during the early bird period through February 15, $35 from February 16 through March 13, and $45 on race day. The kids Lil’ Leprechaun Run is listed at $15 through race day. Packet pick up is scheduled for Friday, March 13 at Dick's Sporting Goods, 64 Thf Blvd, Chesterfield MO 63005, with hours shown on the event page.

The race is organized by the City of Chesterfield. Additional information is available from the City of Chesterfield's event resources. Visit the organization's website for the most recent information.

10 km
10k Run/walk
5 km
5k Run/walk
Kids Fun Run