5K Races in Idaho — 2026

There are 75 5K races in Idaho scheduled for 2026. The next is the YMCA St. Patrick's Day Run and Leprechaun Loop Presented by ICCU in Boise on March 14. Idaho 5K races run primarily March through December.

Mesa Falls Marathon

Sat, Jul 18 · Ashton, ID Ashton

1 Mile Family Fun Run5k Fun Run10k Fun Run +2

From $15 Open

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Baby Foot 5K

Sat, Jul 25 · Sandpoint, ID Sandpoint

Baby Foot 5K

From $35 Closed

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Founders Day Fun Run

Sat, Jul 25 · Lava Hot Springs, ID Lava Hot Springs

1mi Kids Run5k RunPickle Ball Charity Challenge

From $15 Open

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Wallace Huckleberry Festival and 5k Fun Run

Fri, Aug 14 · Wallace, ID Wallace

5k Fun RunHuckleberry Bake-OffVendor Application - 10x10 Merchandise +5

From $0 Open 25 spots left

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Aaron Butler Memorial Purple Heart Run: Idaho

Sat, Aug 15 · Eagle, ID Eagle

Youth 5K Run (16 and under)5K Run10K Run +1

From $20 Open

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Dash for Down Syndrome

Sat, Aug 22 · Idaho Falls, ID Idaho Falls

1 mile fun run/walk3.21 mile10K

From $15 Closed

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Foothills XC12K

Sat, Aug 22 · Boise, ID Boise

5K12K

From $30 Open

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Great Futures 5K & 10K

Sat, Aug 29 · Nampa, ID Nampa

5K Run/WalkYouth 5K Run/Walk10K Run/Walk

From $15 Open

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3rd Annual LESS Society Table Rock Run

Sat, Aug 29 · Boise, ID Boise

3rd Annual LESS Society Table Rock Run

From $30 Open

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Jen McKenna Paddle and Run 6.0

Sat, Sep 12 · Coeur D Alene, ID Coeur D Alene

Paddle and Run - Individual Short CoursePaddle and Run - Team Short CoursePaddle and Run - Individual Long Course +1

From $52 Closed

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Crater Crawl

Sat, Sep 12 · Mountain Home, ID Mountain Home

2.9-mile Course6.2-mile Course

From $35 Open

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RIM2RIM RACE4HOMES

Sat, Sep 12 · Twin Falls, ID Twin Falls

1/2 RIM RACERIM2RIM RUNRIM2RIM WALK +1

From $35 Closed

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2026 Walk,Run,Read for Literacy! Sept. 19th

Sat, Sep 19 · Coeur d'Alene, ID Coeur d'Alene

Kids DashWalk, Run, Read 5KVirtual Run

From $10 Open

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YMCA Harrison Classic Kids Run presented by Blue Cross of Idaho

Sun, Oct 4 · Boise, ID Boise

YMCA Harrison Classic Kids Run

From $25 Open

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9th Annual Meridian, ID Ostomy 5k

Sun, Oct 4 · Meridian, ID Meridian

Ostomy 5k Fun Run/Walk (Open)Ostomy 5k Fun Run/Walk (Ostomate)

From $30 Closed

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SueB 5k

Sun, Oct 4 · Boise, ID Boise

SueB 5K

From $20 Open

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Blackfoot Tater Trot

Sat, Oct 10 · Blackfoot, ID Blackfoot

Blackfoot Tater Trot-5K RunBlackfoot Tater Trot-5K WalkBlackfoot Tater Trot-10K Walk +2

From $25 Closed

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City of Trees Marathon

Sat, Oct 10 · Boise, ID Boise

5k10kHalf Marathon +1

From $35 Open

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Hayden Lake Marathon

Sat, Oct 10 · Hayden Lake, ID Hayden Lake

Kids Fun Run5KQuarter Marathon +3

From $0 Open

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Idaho Running Day

Sat, Oct 17 · Boise, ID Boise

5K10KHalf Marathon +1

From $25 Open

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YMCA Halloween Freaky 5K and Monster Mile

Sat, Oct 24 · Boise, ID Boise

Monster MileFreaky 5K

From $30 Open

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ZD30 The Summit (1 Mile, 5K, and 10K, 1/2 Marathon, 30 Mile Ultra)

Sat, Nov 7 · Boise, ID Boise

1 Mile Run/Walk5k Run/Walk10k Run/Walk +2

From $20 Open

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Boise Turkey Day 5K Run/Walk

Thu, Nov 26 · Boise, ID Boise

5K Run/WalkKids 5K Run/Walk

From $18 Closed

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YMCA Thanksgiving Leftovers Fun Run

Sat, Nov 28 · Boise, ID Boise

1 Mile5K

From $10 Open

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Holiday Hot Cocoa Hustle 5K

Sat, Dec 12 · Eagle, ID Eagle

5K - All Age Groups

From $25 Open

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The YMCA Christmas Run presented by FORD

Sat, Dec 19 · Boise, ID Boise

1 Mile Reindeer Dash - YOUTH1 Mile Reindeer Dash2 Mile Run/Walk -YOUTH +3

From $30 Open

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