Annual Triathlon Road Closure

triathalon-nl424On Sunday, May 19, 2024, starting at 6:00 a.m., MSE Racing will hold the annual St. Louis Triathlon at Creve Coeur Lake Memorial Park in Maryland Heights. Please be mindful of the following scheduled road closures:

  • Marine Ave. at Dorsett Rd. when the race begins at 6:00 a.m.
  • One lane of SB Route 141 closed from Marine Ave. to Chesterfield city limits.
  • Northbound lanes of Route 141 from Route 364 to
  • Marine Ave.
  • Access will be allowed to Creve Coeur Airport, Sportport, Golfport, and soccer fields from southbound Route 141 only. Please expect delays.
  • Old Creve Coeur Mill Rd. from soccer fields to Route 141

On the day of the event, please follow detour signs and officers’ directions. There will be no access to the lakefront during the triathlon.