370 Lakeside Triathlon
Saint Peters, MO
Race date: Aug 23, 2026
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.
Events
21 events
SUPER SPRINT INDIVIDUAL TRI
Start time: Aug 23, 2026, 6:45 AM
SPRINT PARA TRI
Start time: Aug 23, 2026, 6:45 AM
SPRINT PARA MY TEAM TRIUMPH
Start time: Aug 23, 2026, 6:45 AM
SPRINT INDIVIDUAL TRI
Start time: Aug 23, 2026, 7:00 AM
SPRINT COLLEGIATE TRI
Start time: Aug 23, 2026, 7:00 AM
SPRINT HIGH SCHOOL TRI
Start time: Aug 23, 2026, 7:00 AM
SPRINT AQUATHLON
Start time: Aug 23, 2026, 7:00 AM
SPRINT AQUABIKE
Start time: Aug 23, 2026, 7:00 AM
SPRINT RELAY TRI
Start time: Aug 23, 2026, 7:00 AM
OLYMPIC INDIVIDUAL TRI
Start time: Aug 23, 2026, 7:00 AM
OLYMPIC AQUABIKE
Start time: Aug 23, 2026, 7:00 AM
OLYMPIC AQUATHLON
Start time: Aug 23, 2026, 7:00 AM
OLYMPIC RELAY TRI
Start time: Aug 23, 2026, 7:00 AM
HALF INDIVIDUAL TRI
Start time: Aug 23, 2026, 7:00 AM
HALF AQUABIKE
Start time: Aug 23, 2026, 7:00 AM
HALF AQUATHLON
Start time: Aug 23, 2026, 7:00 AM
HALF RELAY TRI
Start time: Aug 23, 2026, 7:00 AM
SPRINT DUATHLON
Start time: Aug 23, 2026, 7:30 AM
OLYMPIC DUATHLON
Start time: Aug 23, 2026, 7:30 AM
HALF DUATHLON
Start time: Aug 23, 2026, 7:30 AM
5K
5K RUN
Start time: Aug 23, 2026, 7:30 AM