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Marathon Calendar near Nampa 2026-2027

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Explore the top marathons near Nampa for 2026-2027! We've gathered 4 exciting races in the area. Check out our detailed list below to find your next local race.

Marathon Calendar United States
October 2026
Oct
11
Su

City of Trees Marathon

5 km 10 km Half Marathon Marathon
Oct
17
Sa

Idaho Running Day

5 km 10 km 13 mi 26 mi
May 2027
May
2
Su

Boise River Marathon

5 km 10 km Half Marathon Marathon
May
15
Sa

YMCA Famous Idaho Potato Marathon

5 km 10 km 13 mi 26 mi
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