370 Lakeside Triathlon
When is 370 Lakeside Triathlon?
370 Lakeside Triathlon takes place on Sunday, August 23, 2026 in Saint Peters, MO.
What distances does 370 Lakeside Triathlon offer?
370 Lakeside Triathlon offers 21 events: 5K RUN, SPRINT INDIVIDUAL TRI, SPRINT PARA TRI, SPRINT COLLEGIATE TRI, SPRINT HIGH SCHOOL TRI, SPRINT PARA MY TEAM TRIUMPH, SPRINT AQUATHLON, SPRINT AQUABIKE, SPRINT DUATHLON, SPRINT RELAY TRI, SUPER SPRINT INDIVIDUAL TRI, OLYMPIC AQUABIKE, OLYMPIC DUATHLON, OLYMPIC AQUATHLON, OLYMPIC RELAY TRI, HALF INDIVIDUAL TRI, HALF AQUABIKE, HALF DUATHLON, HALF AQUATHLON, HALF RELAY TRI, OLYMPIC INDIVIDUAL TRI.
| Event | Distance | Price | |
|---|---|---|---|
| 5K RUN 49 spots left | 5.0 km | $30.00 | Register |
| SPRINT INDIVIDUAL TRI | — | $125.00 | Register |
| SPRINT PARA TRI 4 spots left | — | $95.00 | Register |
| SPRINT COLLEGIATE TRI | — | $75.00 | Register |
| SPRINT HIGH SCHOOL TRI | — | $75.00 | Register |
| SPRINT PARA MY TEAM TRIUMPH | — | $95.00 | Register |
| SPRINT AQUATHLON | — | $115.00 | Register |
| SPRINT AQUABIKE | — | $115.00 | Register |
| SPRINT DUATHLON | — | $115.00 | Register |
| SPRINT RELAY TRI | — | $195.00 | Register |
| SUPER SPRINT INDIVIDUAL TRI | — | $115.00 | Register |
| OLYMPIC AQUABIKE | — | $125.00 | Register |
| OLYMPIC DUATHLON | — | $125.00 | Register |
| OLYMPIC AQUATHLON | — | $125.00 | Register |
| OLYMPIC RELAY TRI | — | $210.00 | Register |
| HALF INDIVIDUAL TRI | — | $200.00 | Register |
| HALF AQUABIKE | — | $165.00 | Register |
| HALF DUATHLON | — | $165.00 | Register |
| HALF AQUATHLON | — | $165.00 | Register |
| HALF RELAY TRI | — | $280.00 | Register |
| OLYMPIC INDIVIDUAL TRI | — | $135.00 | Register |
How much does 370 Lakeside Triathlon cost?
Registration for 370 Lakeside Triathlon starts at $110.00. Prices vary by event distance.
Where is 370 Lakeside Triathlon held?
370 Lakeside Triathlon is held in Saint Peters, MO at 1000 Lakeside Park Drive.
About 370 Lakeside Triathlon
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.