Running races in Boise, ID — October 2026

6 races within 25 miles, Thu, Oct 1 – Sat, Oct 31.

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Sun Oct 4 12:00pm

10th Annual Meridian, ID Ostomy 5k

5K $35 10.6 mi away

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Sun Oct 4 12:00pm

SueB 5k

5K $35 4.9 mi away

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Sun Oct 11 8:00am

City of Trees Marathon

3.1 Miles6.2 Miles13.1 Miles26.2 Miles $20 Boise, ID

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Sat Oct 17 8:00am

Idaho Running Day

5K10K13.1 Miles26.2 Miles $50 10.4 mi away

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Sat Oct 24 9:00am

YMCA Halloween Run presented by Micron

5K13.1 Miles $35 Boise, ID

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Sat Oct 24 10:00am

Trick or Trot

3.1 Miles $25 4.8 mi away

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