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370 Lakeside Triathlon
Open now- Date
- August 23, 2026
- Sport
- Triathlon
- Location
- Saint Peters, MO
- Distances
- 5K
- Entry
- $30 – $330
- Registration opens
- September 8, 2025
- Registration closes
- August 23, 2026
Listing from runsignup. Always confirm details with the organiser.