local tour
✓ Verified Active Listing
2026 Open Water Swim Pre-Registration
🧬 Course DNA & Technical Intel
🛞 Recommended Tire
28mm – 32mm All-Road
🚴 Discipline
local tour
🏁 Course Distance Options
2026 Open Water Swim Season Pass
OWS #1, May 2nd, 2026
OWS #2, May 9th, 2026
OWS #3, May 16th, 2026
OWS #4, May 30th, 2026
OWS #5, June 6th, 2026
OWS #6, June 13th, 2026
OWS #7, June 20th, 2026
OWS #8, June 27th, 2026
About 2026 Open Water Swim Pre-Registration
Official registered local tour event in St. Charles, MO. Direct registration on BikeReg.
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Top-rated power meters, radar, and GPS computers curated by Threshold Cycling.
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Favero Assioma Duo Power Meter Pedals
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Garmin Edge 1040 Solar Cycling Computer
$749.99
Solar charging lens provides up to 45 hours of battery life during demanding centuries, advanced ClimbPro elevation tracking, and turn-by-turn guidance.
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