370 Lakeside Triathlon 2026 — Saint Peters, MO
Entry fees for the 370 Lakeside Triathlon range from $30 to $330, depending on which format you choose. Held on August 23, 2026, in Saint Peters, Missouri, at Lakeside Park, this event offers multiple disciplines including triathlon, duathlon, aquabike, and swimrun options. A 5K running distance is available. The race starts early at 6:45 AM, giving you a full day ahead. The venue is located at 1000 Lakeside Park Drive, providing a park-based setting for your competition.
Hotels Near This Race
Find accommodation close to the start line in Saint Peters, MO. Sorted by distance from the race venue. Book early — race weekend hotels fill fast.
370 Lakeside Triathlon 2026 — Saint Peters, MO
Race day is approaching. Hotels fill up fast.
Race weekend dates pre-loaded on Booking.com. RaceHotelFinder may earn a commission at no extra cost to you.
Race Travel Insurance
Don't forget travel insurance for August 23.
You've trained for months and booked a trip to Saint Peters, MO. A pre-race injury, a delayed flight, or a family emergency can derail the whole thing. Travel insurance can help cover your race entry fee, hotel, and flights if you can't make it, and may cover medical costs if something goes wrong on the course. Plans typically only run 5-7% of your total trip cost — and running events are covered under standard plans with no additional coverage needed.
- Trip cancellation up to 100% of prepaid costs
- Running events covered under standard plans — no add-ons needed
- Trip interruption up to 150% of non-refundable costs
- Emergency medical up to $250,000
- Cancel For Any Reason add-on available
- 24/7 real-time support
Affiliate links — we may earn a commission at no cost to you. Coverage terms vary by state and plan. Review policy details before purchase.
More Races
Browse all upcoming races in Missouri →
More Aquabike events with hotel options →
More Duathlon events with hotel options →
More SwimRun events with hotel options →
More Triathlon events with hotel options →
Other upcoming races in Missouri
Frequently Asked Questions
When is 370 Lakeside Triathlon 2026 — Saint Peters, MO?
370 Lakeside Triathlon 2026 — Saint Peters, MO takes place on August 23, 2026. The race is held in Saint Peters, Missouri.
Where is 370 Lakeside Triathlon 2026 — Saint Peters, MO held?
370 Lakeside Triathlon 2026 — Saint Peters, MO is held at 1000 Lakeside Park Drive in Saint Peters, Missouri.
Where can I find hotels near 370 Lakeside Triathlon 2026 — Saint Peters, MO?
RaceHotelFinder shows hotels sorted by distance from the race venue in Saint Peters. Use the map or list view on this page to compare options and book race weekend accommodation.