5K Races in Idaho
As of October 6, 2026, Crewable lists 13 upcoming 5K races in Idaho from October 2026 to May 2027. The next is Blackfoot Tater Trot on October 10 in Blackfoot. Registration is open for 10.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
Race calendar
October 2026
10 racesHaunted Half Marathon and 5k by Run the Undergrad
Rexburg, IDHalf Marathon5KOpen until Oct 24from $10
November 2026
1 raceApril 2027
1 raceMay 2027
1 raceQuick answers
What is the next 5K race in Idaho?
Blackfoot Tater Trot, on Saturday, October 10, 2026, in Blackfoot. Distances: 10K, 5K.
How many 5K races in Idaho have open registration?
10 of the 13 list registration as open as of October 6, 2026, including Blackfoot Tater Trot, Hayden Lake Marathon and River & Rails Donkey Dash.
What is the busiest month for 5K races in Idaho?
October 2026, with 10 of the 13. November 2026 follows with 1.
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