Expected Road Closure - May 22

On Sunday, May 22, MSE Racing will be organizing the 7th annual St. Louis Triathlon. This event will be held at Creve Coeur Park at Sailboat Cove and draws thousands of athletes to our area. 

Closure Date/Time: Sunday, May 22 from 6:00 - 10:30 a.m. 
Roads Closed/Impacted: 
  • 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. 
  • NB 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 141 only - please expect delays. 
  • Old Creve Coeur Mill Rd. from soccer fields to Route 141. 
Please follow detour signs and officers' directions. There will be no access to the lake front during the triathlon.