There are 100 running races in Idaho in 2026 across 46 cities. The next upcoming race is the The Caldwell Classic in Caldwell on June 20. Popular distances include 5K races, 10K races, half marathons.

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Duck Donuthon

Sat, Jun 20 · Ammon, ID Ammon
Road Lil Ducky 1 MileHungry Ducky 5kCrazy Ducky 10k +1

Race the Wolf

Sat, Jun 20 · Sandpoint, ID Sandpoint
Trail Sky ClimbRace The Wolf 5 Mile Trail RunRace The Wolf Trail Half-Marathon +1

To Bone and Back Relay

Sat, Jun 27 · Idaho Falls, ID Idaho Falls
Ultra 5-Mile Solo8-Person High School Boys Relay8-Person High School Girls Relay +8

Hayden Sprint Triathlon

Sat, Jul 11 · Hayden, ID Hayden
Triathlon Hayden Sprint Triathlon **RELAY TEAM**Hayden Sprint Triathlon **CLYDESDALE**Hayden Sprint Triathlon **ATHENA** +2

Boise Front Trail Festival

Fri, Jul 31 · Boise, ID Boise
Trail Boise Front Trail Festival: Hill ClimbBoise Front Trail Festival: 5 Mile CourseBoise Front Trail Festival: 10 Mile Course

Wild River Dash

Sat, Aug 22 · Boise, ID Boise
Triathlon Kid Relay Team DuathlonKid Individual DuathlonTeen Individual Duathlon +3

Priest Lake Triathlon

Sun, Aug 30 · Priest Lake, ID Priest Lake
Triathlon Priest Lake ROAD BIKE TEAM Relay TriathlonPriest Lake OFF-ROAD TEAM Relay TriathlonPriest Lake Sprint ROAD BIKE Triathlon +1

Jen McKenna Paddle and Run 6.0

Sat, Sep 12 · Coeur D Alene, ID Coeur D Alene
Paddle and Run - Team Short CoursePaddle and Run - Individual Short CoursePaddle and Run - Individual Long Course +1