St Louis Triathlon at Creve Coeur Park
Date: Jun 29, 2025 | Time: 4:30 am - 1:00 pm
The annual St. Louis Triathlon at Creve Coeur Park. Participate in the Olympic or Sprint triathlon by swimming the lake, biking the 141/Maryland Heights Expressway, and running the paved trail around the lake. Or participate in one of the other 15 race options. Spectators are FREE so come to cheer on the athletes! Participants in the Triathlon must register and pay fees before race day. (NOTE: ALL spectators and participants MUST arrive EARLY! Marine Ave is the only way in and it closes at 6am; it will reopen at 10:30am.) See website for all the details.
Additional website for more info: MSE Racing Website
Creve Coeur Park is located in Maryland Heights, Missouri in West St. Louis County. Many annual water events and free outdoor concerts are held at Creve Coeur Lake during the warmer weather months.
Please check the website listed on each event to get the most up-to-date information.
