1 triathlon event in St. Louis, Missouri

From big races to Saturday morning group runs—find triathlon events and connect with the local endurance sports community.

• St. Louis Triathlon [mseracing.com] [Register at runsignup.com]
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  Sun, Jun 28, 2026 at 6:15 AM

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  In partnership with St. Louis County Parks, the beautiful City of Maryland Heights, and MoDOT - MSE Racing is proud to return the fastest, most electrifying triathlon in the Midwest area on Sunday,...

  In partnership with St. Louis County Parks, the beautiful City of Maryland Heights, and MoDOT - MSE Racing is proud to return the fastest, most electrifying triathlon in the Midwest area on Sunday, June 28th, 2026. Taking place at the scenic and local favorite, Creve Coeur Park, the St. Louis Triathlon is ideal for both veterans, and those new to the multi-sport experience. A race like no other, with YOUR experience as our primary focus. At the Lou Fusz Subaru St. Louis Triathlon every athlete is a champion!

  For more information including course maps, schedule of events, volunteer signup, sponsorship information, race results, etc. Please visit - Lou Fusz Subaru St. Louis Triathlon | MSE Racing

  Duathlon Run Triathlon

  13725 Marine Ave, St. Louis, Missouri, 63146, United States
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