370 Lakeside Triathlon
- Date Sun 23rd August 2026
- Time 6:45AM CDT
- Location Saint Peters, Missouri
- Price $33.63 - $300.50
- Races 21 races
- Distances Sprint, Olympic, 5km
Event summary
Whether you're a seasoned triathlete or just starting out, there’s a race option for you! Choose from a thrilling variety of distances including a 5k run, a super sprint, a sprint for beginners, and even a half distance challenge. For those looking to mix it up, the event also features duathlon, aquabike, and aquathlon options. With a beach start, scenic country roads, and beautiful park trails, the course is designed to be both fast and flat. Don’t miss out on the fun and camaraderie—mark your calendars and get ready for a day of fitness and community!
Organiser's Description
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.
Races
-
Super Sprint Individual Tri
Incl. $9.36 Fee & Unisex T-Shirt
Sun 23rd August 2026 (6:45AM CDT)
$124.36
300 meter swim 23K bike 2 mile run -
Sprint Individual Tri
Incl. $10.04 Fee & Unisex Shirt
Sun 23rd August 2026 (7:00AM CDT)
$135.04
750M swim 23k bike 5k run -
Sprint Para Tri
Incl. $8.01 Fee & Unisex Shirt
Sun 23rd August 2026 (6:45AM CDT)
$103.01
750M swim 23k bike 5k run -
Sprint Collegiate Tri
Incl. $6.66 Fee & Unisex Shirt
Sun 23rd August 2026 (7:00AM CDT)
$81.66
750 meter swim 23K bike 5k run -
Sprint High School Tri
Incl. $6.66 Fee & Unisex Shirt
Sun 23rd August 2026 (7:00AM CDT)
$81.66
750 meter swim 23K bike 5k run -
Sprint Para My Team Triumph
Incl. $8.01 Fee & Unisex Shirt
Sun 23rd August 2026 (6:45AM CDT)
$103.01
750M Swim 23k Bike 3.1 mile run -
Sprint Aquathlon
Incl. $9.36 Fee & Unisex Shirt
Sun 23rd August 2026 (7:00AM CDT)
$124.36
Swim 750m Run 5K -
Sprint Aquabike
Incl. $9.36 Fee & Unisex Shirt
Sun 23rd August 2026 (7:00AM CDT)
$124.36
750M swim 23k bike -
Sprint Duathlon
Incl. $9.36 Fee & Unisex Shirt
Sun 23rd August 2026 (7:30AM CDT)
$124.36
2 mile Run | 23k Bike | 5k Run -
Sprint Relay Tri
Incl. $14.76 Fee & Unisex Long Sleeve Hooded Shirt
Sun 23rd August 2026 (7:00AM CDT)
$209.76
750M swim 23k bike 5k run -
Olympic Individual Tri
Incl. $10.71 Fee & Unisex Shirt
Sun 23rd August 2026 (7:00AM CDT)
$145.71
Swim 1.5k Bike 40k Run 10k -
Olympic Aquabike
Incl. $10.04 Fee & Unisex Shirt
Sun 23rd August 2026 (7:00AM CDT)
$135.04
Swim 1.5k Bike 40k -
Olympic Duathlon
Incl. $10.04 Fee & Unisex Shirt
Sun 23rd August 2026 (7:30AM CDT)
$135.04
5k Run | 40k Bike | 10k Run -
Olympic Aquathlon
Incl. $10.04 Fee & Unisex Shirt
Sun 23rd August 2026 (7:00AM CDT)
$135.04
Swim 1500m Run 10K -
Olympic Relay Tri
Incl. $15.78 Fee & Unisex Shirt
Sun 23rd August 2026 (7:00AM CDT)
$225.78
Swim 1.5k Bike 40k Run 10k -
Half Individual Tri
Incl. $15.10 Fee & Unisex Shirt
Sun 23rd August 2026 (7:00AM CDT)
$215.10
1.2 mile swim 56 mile bike 13.1 mile run -
Half Aquabike
Incl. $12.74 Fee & Unisex Shirt
Sun 23rd August 2026 (7:00AM CDT)
$177.74
Swim 1.2 mile Bike 56 mile -
Half Duathlon
Incl. $12.74 Fee & Unisex Shirt
Sun 23rd August 2026 (7:30AM CDT)
$177.74
5k Run | 56 mile bike | 13.1 mile run -
Half Aquathlon
Incl. $12.74 Fee & Unisex Shirt
Sun 23rd August 2026 (7:00AM CDT)
$177.74
Swim 1.2 miles Run 13.1 miles -
Half Relay Tri
Incl. $20.50 Fee & Unisex Shirt
Sun 23rd August 2026 (7:00AM CDT)
$300.50
1.2 mile swim 56 mile bike 13.1 mile run -
5k Run
Incl. $3.63 Fee & Unisex Shirt
Sun 23rd August 2026 (7:30AM CDT)
$33.63
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1000 Lakeside Park Drive, Saint Peters, 63376, MO, United States
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370 Lakeside Triathlon
