# Event Details

- **Event Name**: 370 Lakeside Triathlon
- **Event Start and End Date**: Sun, 23 Aug, 2026 at 06:45 am (-05:00)
- **Event Description**: Join us for the 5th annual USA Triathlon sanctioned 370 Lakeside Triathlon! This race begins with a beautiful beach start at 370 Lakeside Park. Enjoy the lake swim, scenic fast bike course on the country roads of St. Charles County and finish your race with a run on the flat park trails. We offer a variety of race options from a 5k run, super sprint or sprint for newbies, up to half distance!

​MANY race options to choose from:
5K Run/Walk

Super Sprint Triathlon
300m swim / 23k bike / 2 mile run

Sprint Triathlon
750m swim / 23k bike / 5k run

Sprint Collegiate Triathlon
750m swim / 23k bike / 5k run

Sprint High School Triathlon
750m swim / 23k bike / 5k run

Sprint Aquabike
​750m swim / 23k bike

Sprint Duathlon
2 mile run / 23k bike / 5k run

*NEW* - Sprint Aquathlon
750m swim / 5k run

Sprint Relay​​
750m swim / 23k bike / 5k run

Sprint Paratriathlon
750m swim / 23km bike / 5km run 

Sprint Paratriathlon Relay
750m swim / 23km bike / 5km run 

Olympic Triathlon
​​1.5k swim / 40k bike / 10k run

Olympic Aquabike
1.5k swim / 40k bike

Olympic Duathlon​​
5k run / 40k bike / 10k run

*NEW* - Olympic Aquathlon
1.5k swim / 10k run

Olympic Relay​​
1.5k swim / 40k bike / 10k run

Half Triathlon
​​1.2 mile swim / 56 mile bike /13.1 mile run

Half Aquabike​​
1.2 mile swim / 56 mile bike 

Half Duathlon​​
5k Run / 56 mile bike / 13.1 mile run

*NEW* - Half Aquathlon
1.2 mile swim / 13.1 mile run

Half Relay
​​1.2 mile swim / 56 mile bike /13.1 mile run

REGISTER, find more info, agenda, maps, updates, etc:
https://www.mseracing.com/370-lakeside-triathlon
- **Event URL**: https://allevents.in/st-charles/370-lakeside-triathlon/200028862870449
- **Event Categories**: marathons, sports, cycling, workshops, trips-adventures
- **Interested Audience**: 
  - total_interested_count: 752

## Ticket Details


## Event venue details

- **city**: St Charles
- **state**: MO
- **country**: United States
- **location**: Lakeside Park Dr, St Charles, MO 63301, United States
- **lat**: 38.81797
- **long**: -90.56132
- **full address**: Lakeside Park Dr, St Charles, MO 63301, United States

## Event gallery

- **Alt text**: 370 Lakeside Triathlon
  - **Image URL**: https://cdn-az.allevents.in/events1/banners/5b0d9157537d1bf83be29a4e00aa33efae62d2d7ab77de4f62d650cd038ba592-rimg-w1200-h636-dcaaa8a6-gmir?v=1778343509

## FAQs

- **Q**: When and where is 370 Lakeside Triathlon being held?
  - **A:** 370 Lakeside Triathlon takes place on Sun, 23 Aug, 2026 at 06:45 am to Sun, 23 Aug, 2026 at 06:45 am at Lakeside Park Dr, St Charles, MO 63301, United States.
- **Q**: Who is organizing 370 Lakeside Triathlon?
  - **A:** 370 Lakeside Triathlon is organized by MSE Racing.
- **Q**: Who is this event for? Is it right for me?
  - **A:** 370 Lakeside Triathlon is ideal for sports fans, athletes, fitness enthusiasts, and anyone who loves the thrill of live competitive action and the energy of a crowd. Whether you're a first-time attendee or a longtime enthusiast in St Charles, this event is thoughtfully curated to deliver a standout experience worth every moment. With 750+ people already showing interest, this is clearly an event worth adding to your calendar - don't miss out.

## Structured Data (JSON-LD)

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        "description": "Join us for the 5th annual USA Triathlon sanctioned 370 Lakeside Triathlon! This race begins with a beautiful beach start at 370 Lakeside Park. Enjoy the lake swim, scenic fast bike course on the country roads of St. Charles County and finish your race with a run on the flat park trails. We offer a",
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