RunRace USA › Missouri › 370 Lakeside Triathlon
370 Lakeside Triathlon
Saint Peters, Missouri · Sunday, September 12, 2027 · 5K
Official race page & registration ↗370 Lakeside Triathlon takes place on Sunday, September 12, 2027 in Saint Peters, Missouri. The race is run over 5K. For anyone travelling in, O'Fallon is about 5 miles away and St. Louis is about 25 miles away.
It is one of 6 races on the Missouri calendar that September. At $30, entry sits above the $25 median for a Missouri 5K.
- Date
- Sunday, September 12, 2027
- Location
- Saint Peters, Missouri
- Distances
- 5K
- Entry fee
- from $30
Listing from the 2027 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Tell us here.
Making a race weekend of it?
Stay near the start line in Saint Peters: check in Sep 11, out Sep 13.
Common questions
When is 370 Lakeside Triathlon?
370 Lakeside Triathlon is scheduled for Sunday, September 12, 2027.
Where is 370 Lakeside Triathlon held?
370 Lakeside Triathlon is held in Saint Peters, Missouri. It is about 5 miles from O'Fallon and 25 miles from St. Louis.
What distances does 370 Lakeside Triathlon offer?
The listed distances are 5K.
How much does 370 Lakeside Triathlon cost?
Entry is listed from $30. Check the official race page for the current price, which usually rises closer to race day.
How do I register for 370 Lakeside Triathlon?
Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.
More races nearby
- Sep 11Open Water Swim - 370 Lakeside ParkSaint Peters, MO
- Sep 11Valor Ranch Runnin’ For Home 5kParkville, MO
- Sep 18Do Hard Things 5k Run/Walk & 9.11-Mile Run or RuckColumbia, MO
- Sep 4The Labor Day Slay 5K-10K-10K-RUCK & Half MarathonSt Louis, MO
- Sep 25Medal Madness 5K & 10K at Independence, MO (39)Independence, MO
See every race on the Missouri calendar, Missouri 5Ks, or use the Race Finder for maps and filters.