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370 Lakeside Triathlon
Sunday, August 23, 2026 · St. Peters, United States
Distances
25.8km
113km
Start location
1000 Lakeside Park Drive
St. Peters, MO
About this race
The 6th annual event at 370 Lakeside Park offers a flat, fast course. Start on the beach, ride country roads, and run park trails. Super sprint and sprint options are available, especially for newbies.