Skip to main content

370 Lakeside Triathlon

Sun August 17 2025
Sign Up
Sign Up

370 Lakeside Triathlon

Sun August 17, 2025 Saint Peters, MO 63376 US Directions

Events

SUPER SPRINT INDIVIDUAL TRI

$125 6:45AM CDT - 2:30PM CDT Price increases after July 3, 2025 at 11:59pm CDT
Open to ages 14+.
Sign Up

SPRINT INDIVIDUAL TRI

$140 7:00AM CDT - 2:30PM CDT Price increases after July 3, 2025 at 11:59pm CDT
Open to ages 14+.
Sign Up

SPRINT PARA TRI

$95 6:45AM CDT - 2:30PM CDT Price increases after August 10, 2025 at 11:59pm CDT
Open to ages 14+.
Sign Up

SPRINT COLLEGIATE TRI

$75 7:00AM CDT - 12:00PM CDT Price increases after August 10, 2025 at 11:59pm CDT
Open to ages 14+.
Sign Up

SPRINT HIGH SCHOOL TRI

$75 7:00AM CDT - 12:00PM CDT Price increases after August 10, 2025 at 11:59pm CDT
Open to ages 14+.
Sign Up

SPRINT PARA MY TEAM TRIUMPH

$95 6:45AM CDT - 12:00PM CDT Price increases after August 10, 2025 at 11:59pm CDT
Open to ages 14+.
Sign Up

SPRINT AQUATHLON

$125 7:00AM CDT - 12:00PM CDT Price increases after July 3, 2025 at 11:59pm CDT
Open to ages 14+.
Sign Up

SPRINT AQUABIKE

$125 7:00AM CDT - 12:00PM CDT Price increases after July 3, 2025 at 11:59pm CDT
Open to ages 14+.
Sign Up

SPRINT DUATHLON

$125 7:30AM CDT - 12:00PM CDT Price increases after July 3, 2025 at 11:59pm CDT
Open to ages 14+.
Sign Up

SPRINT RELAY TRI

$205 7:00AM CDT - 2:30PM CDT Price increases after July 3, 2025 at 11:59pm CDT
Open to ages 14+.
Sign Up

SPRINT PARA RELAY TRI

$205 6:45AM CDT - 12:00PM CDT Price increases after July 3, 2025 at 11:59pm CDT
Open to ages 14+.
Sign Up

OLYMPIC INDIVIDUAL TRI

$155 7:00AM CDT - 2:30PM CDT Price increases after July 3, 2025 at 11:59pm CDT
Open to ages 14+.
Sign Up

OLYMPIC ELITE TRIATHLON

$110 7:00AM CDT - 2:30PM CDT Price increases after August 10, 2025 at 11:59pm CDT
Sign Up

OLYMPIC AQUABIKE

$145 7:00AM CDT - 12:00PM CDT Price increases after July 3, 2025 at 11:59pm CDT
Open to ages 14+.
Sign Up

OLYMPIC DUATHLON

$145 7:30AM CDT - 12:00PM CDT Price increases after July 3, 2025 at 11:59pm CDT
Open to ages 14+.
Sign Up

OLYMPIC AQUATHLON

$145 7:00AM CDT - 12:00PM CDT Price increases after July 3, 2025 at 11:59pm CDT
Open to ages 14+.
Sign Up

OLYMPIC RELAY TRI

$220 7:00AM CDT - 2:30PM CDT Price increases after July 3, 2025 at 11:59pm CDT
Open to ages 14+.
Sign Up

HALF INDIVIDUAL TRI

$220 7:00AM CDT - 3:30PM CDT Price increases after July 3, 2025 at 11:59pm CDT
Open to ages 14+.
Sign Up

HALF AQUABIKE

$180 7:00AM CDT - 2:30PM CDT Price increases after July 3, 2025 at 11:59pm CDT
Open to ages 14+.
Sign Up

HALF DUATHLON

$180 7:30AM CDT - 3:30PM CDT Price increases after July 3, 2025 at 11:59pm CDT
Open to ages 14+.
Sign Up

HALF AQUATHLON

$180 7:00AM CDT - 12:00PM CDT Price increases after July 3, 2025 at 11:59pm CDT
Open to ages 14+.
Sign Up

HALF RELAY TRI

$290 7:00AM CDT - 2:30PM CDT Price increases after July 3, 2025 at 11:59pm CDT
Open to ages 14+.
Sign Up

5K RUN

$32.50 7:30AM CDT - 12:00PM CDT Price increases after July 3, 2025 at 11:59pm CDT
Open to ages 14+.
Sign Up

Race Website

Additional race information can be found at https://www.mseracing.com/370-lakeside-tri.html.

Place

1000 Lakeside Park Drive
Saint Peters, MO US 63376

Description

Join us for the 5th 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

 

 

Race Contact Info

If you have any questions about this race, please contact the race director at

Directions

Facebook

Join this event and invite your friends on Facebook.

Race Participant Survey

Please complete the following survey to help us better understand your race experience.

Did you participate in the race?
Would you recommend this race to a friend?

If you continue to use this site, you consent to use all cookies. We use cookies to offer you a better browsing experience. Read how we use cookies and how you can control them by visiting our Privacy Policy.

If you continue to use this site, you consent to use all cookies.