Lake Saint Louis Triathlon

2022 Triathlon

2022 Lake Saint Louis Triathlon

Saturday, August 20, 2022

100 Cognac Court

Lake Saint Louis, Missouri


The City of Lake Saint Louis (LSL) Parks and Recreation Department is proud to present the oldest organized Triathlon event in the St. Louis metropolitan area. This event has proven to be the most popular Triathlon event in the area as it has filled the last ten years with participants who traveled from all over the country. The open water swim and rolling hills make this a challenging, but very enjoyable event to participate in. USA Triathlon Sanctioned and competition rules will apply.

Registration has ended

To view 2022 results click here

Thank you to our sponsors!

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  1. REGISTRATION COST
  2. RACE DAY INFO
  3. RACE INFO

Triathlon Fees                                                             Triathlon Discounts

$90 until February 28th                                                 $20 Resident Discount

$105 until July 1st

$120 up until 11 days before event (unless full)         Triathlon Addition Fees

                                                                                    $15 One day USAT Membership/Insurance

                                                                                    $10 One day USAT Youth Membership


  1. AGE REQUIREMENTS
  2. PACKET PICK-UP
  3. WEATHER POLICY

All participants must be 14 years of age on December 31, 2022 per USA Triathlon rules.

Per USA Triathlon rules all participants will race based on their age as of December 31, 2022.

We use the standard 5 year age group 0-19, 20-24, 25-29, 30-34,....... etc.

*participation medals will be given to all racers who finish and awards will be given to the top 3 male and female athletes in each age group as listed above.