Join us for the 6th annual USAT sanctioned 370 Lakeside Triathlon! Enjoy the flattest, fastest course starting in beautiful 370 Lakeside Park! Enjoy a beach start, amazing country roads in St. Charles County, and a run that includes the park trails. We offer a variety of race options from a 5k run, super sprint or sprint for newbies, up to half distance along with duathlon, aquabike and aquathlon options!
For more information including course maps, schedule of events, race options, volunteer signup, etc. Please visit - https://www.mseracing.com/370-lakeside-triathlon
All athletes MUST show a Photo ID and pick up their own race packet, NO EXCEPTIONS.
Sep 12, 2027
Distance — SPRINT PARA MY TEAM TRIUMPH
Type — Running
06:45
$95.00
Sep 12, 2027
Distance — 0.8K Swim 20K Bike 5K Run
Type — Running
06:45
$95.00
Sep 12, 2027
Distance — 0.4K Swim 10K Bike 2.5K Run
Type — Running
06:45
$115.00
Sep 12, 2027
Distance — 1.9K Swim 90K Bike
Type — Running
07:00
$165.00
Sep 12, 2027
Distance — HALF AQUATHLON
Type — Running
07:00
$165.00
Sep 12, 2027
Distance — 1.9K Swim 90K Bike 21.1K Run
Type — Running
07:00
$200.00
Sep 12, 2027
Distance — 1.9K Swim 90K Bike 21.1K Run
Type — Running
07:00
$280.00
Sep 12, 2027
Distance — 1.5K Swim 40K Bike
Type — Running
07:00
$125.00
Sep 12, 2027
Distance — OLYMPIC AQUATHLON
Type — Running
07:00
$125.00
Sep 12, 2027
Distance — 1.5K Swim 40K Bike 10K Run
Type — Running
07:00
$135.00
Sep 12, 2027
Distance — 1.5K Swim 40K Bike 10K Run
Type — Running
07:00
$210.00
Sep 12, 2027
Distance — 0.8K Swim 20K Bike
Type — Running
07:00
$115.00
Sep 12, 2027
Distance — SPRINT AQUATHLON
Type — Running
07:00
$115.00
Sep 12, 2027
Distance — 0.8K Swim 20K Bike 5K Run
Type — Running
07:00
$75.00
Sep 12, 2027
Distance — 0.8K Swim 20K Bike 5K Run
Type — Running
07:00
$75.00
Sep 12, 2027
Distance — 0.8K Swim 20K Bike 5K Run
Type — Running
07:00
$125.00
Sep 12, 2027
Distance — 0.8K Swim 20K Bike 5K Run
Type — Running
07:00
$195.00
Sep 12, 2027
Distance — 5K
Type — Running
07:30
$30.00
Sep 12, 2027
Distance — HALF DUATHLON
Type — Running
07:30
$165.00
Sep 12, 2027
Distance — OLYMPIC DUATHLON
Type — Running
07:30
$125.00
Sep 12, 2027
Distance — 5K Run 20K Bike 2.5K Run
Type — Running
07:30
$115.00
These values represent the 3-year monthly averages for September in Saint Peters.
Learn more about the host city, Saint Peters.
St. Peters is a city in St. Charles County, Missouri, United States. The population was 57,732 at the 2020 census, making it the tenth-largest city in Missouri. It is a northwestern suburb of St. Louis.
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