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Marathon Calendar near Lake Saint Louis 2026-2027

Monthly updates for Lake Saint Louis

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Explore the top marathons near Lake Saint Louis for 2026-2027! We've gathered 3 exciting races in the area. Check out our detailed list below to find your next local race.

May 2026
May
15-17
Fr - Su

Thunder Chicken 100K Stage Races

Trail Run 25 km 21 mi 26 mi 100 km
October 2026
Oct
10
Sa

Declue Loops Trail Race

Backyard Ultra 8 mi 16 mi 26 mi 50 km
November 2026
Nov
8
Su

Mo' Cowbell Marathon

3 mi 6 mi 13 mi 26 mi
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