5K Races in Colorado — 2026

There are 100 5K races in Colorado scheduled for 2026. The next is the Flying Falcon Downhill Mile in USAF Academy on October 10. Colorado 5K races run primarily October.

YMCA Turkey Trot 5K presented by Corwin Honda

Thu, Nov 26 · Colorado Springs, CO Colorado Springs

Turkey Trot 5K

From $45 Open Closing Soon

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Buena Vista Turkey Trot 5K & Family Fun Run

Thu, Nov 26 · Buena Vista, CO Buena Vista

Buena Vista Turkey Trot 5K

From $35 Open

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TurCreek Trot 5K

Thu, Nov 26 · Greenwood Village, CO Greenwood Village

5K

From $27 Open

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Fitness Avenue Turkey Trot 5K

Thu, Nov 26 · Johnstown, CO Johnstown

Fitness Avenue 1K Kids Turkey TrotFitness Avenue Turkey Trot 5K

From $20 Open

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Fort Collins Thanksgiving Day Run

Thu, Nov 26 · Fort Collins, CO Fort Collins

Youth 4 MileAdult 4 Mile

From $25 Open

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Pelican Lakes Turkey Trot

Thu, Nov 26 · Windsor, CO Windsor

5k run5K walk

From $30 Open

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Grand Junction Fire Fighters Foundation GJ Turkey Trot

Thu, Nov 26 · Grand Junction, CO Grand Junction

5K GJ Turkey Trot

From $30 Open

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Winter Park Turkey Trot 5K

Thu, Nov 26 · Winter Park, CO Winter Park

Winter Park Turkey Trot 5K

From $30 Open

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Huffin' for Stuffin' 2-Mile Fun Run

Thu, Nov 26 · Loveland, CO Loveland

Virtual 2-Mile Fun Run2 Mile Fun Run

From $20 Open 5 spots left

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AdventHealth Avista Louisville Turkey Trot

Thu, Nov 26 · Louisville, CO Louisville

AdventHealth Avista Louisville Turkey Trot 2026

From $20 Open

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Turkey Trot Fun Run/Walk - 5K - Presented by SLV Sports & Wellness & Knee Knockers Bar & Grill

Thu, Nov 26 · Alamosa, CO Alamosa

Under 18 - Turkey Trot Fun Run/Walk - 5K - SLV Sports & WellnessUnder 10 - Turkey Trot Fun Run/Walk - 5K - SLV Sports & Wellness18 and Over - Turkey Trot Fun Run/Walk - 5K - SLV Sports & Wellness

From $10 Open

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NCMC Turkey Trot

Thu, Nov 26 · Greeley, CO Greeley

2026 NCMC Turkey Trot 2K2026 NCMC Turkey Trot 5K

From $30 Open

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Christmas Mountain 5 Mile Run

Fri, Nov 27 · Salida, CO Salida

Christmas Mountain 1 Mile RunChristmas Mountain 5 Mile Run

From $10 Closed

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Tardy Turkey Trot

Fri, Nov 27 · Estes Park, CO Estes Park

5K

From $45 Open Closing Soon

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Tiger Trail 5K Run/Walk

Sun, Nov 29 · Colorado Springs, CO Colorado Springs

5K Run/WalkYouth 5K 12 & Under

From $15 Open

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Onesie Dash AND Mini Dash

Sat, Dec 5 · Red Feather Lakes, CO Red Feather Lakes

Onesie Dash and Mini Dash

From $28 Open

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Jingle Jog 5k and Fun Run

Sat, Dec 5 · Eagle, CO Eagle

Jingle Jog 5K Presented by Mountain TotsKid's Fun Run by Mountain Tots

From $10 Closed

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2026 Summit for Life

Sat, Dec 5 · Aspen, CO Aspen

Summit for LifeVirtual Summit for Life OptionRide for Life

From $35 Open Closing Soon

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RMRR December 4.5mi

Sun, Dec 6 · Denver, CO Denver

4.5 mi

From $10 Open

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Superior Stocking Run

Sat, Dec 12 · Superior, CO Superior

5K Run5K Youth Entry5k-10k-Half Winter Running Series +1

From $25 Open

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YMCA Jingle Jog 5K presented by Corwin Honda

Sat, Dec 12 · Fountain, CO Fountain

Jingle Jog 5K

From $35 Open

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Santa Shuffle 5K

Sat, Dec 12 · Littleton, CO Littleton

Santa Shuffle 5K

From $35 Open

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Sweaty Sweater 5k

Sat, Dec 19 · Fort Collins, CO Fort Collins

Kids 1-MileSweaty Sweater 5kVirtual 5k

From $5 Closed

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Santa's Dash for Ca$h

Sat, Dec 19 · Denver, CO Denver

5k

From $29 Open

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Ugly Sweater 5K

Sun, Dec 20 · Denver, CO Denver

Virtual 5K5K

From $30 Open

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Resolution Run - Fort Collins

Thu, Dec 31 · Fort Collins, CO Fort Collins

5K

From $25 Closed

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Hands & Voices New Year Virtual 5K: Trails to the Summit

Thu, Dec 31 · Boulder, CO Boulder

Virtual 5KVirtual Fun Run/Walk

From $25 Open

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Salida New Year's Day 5K

Fri, Jan 1 · Salida, CO Salida

5K (with shirt)5K (no shirt)

From $24 Open

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Resolute Runner 5k

Fri, Jan 1 · Arvada, CO Arvada

5k

From $39 Open

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YMCA of Pueblo Hot Chocolate 5K

Sat, Jan 2 · Pueblo, CO Pueblo

YMCA of Pueblo Hot Chocolate 5K

From $30 Open

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Freakin Freezin 5K - Denver

Sun, Jan 24 · Denver, CO Denver

5K-No Shirt5KVirtual 5K

From $30 Open

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Rio Frio 5k on Ice

Sat, Jan 30 · Alamosa, CO Alamosa

Rio Frio 5k Fun Run

From $20 Open

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Heart Throb 5k

Sat, Feb 13 · Arvada, CO Arvada

5k

From $25 Open

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Highlands Ranch 5k

Sun, Feb 28 · Highlands Ranch, CO Highlands Ranch

5k5k

From $33 Open

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Sharin' O' The Green 5k

Sat, Mar 6 · Fort Collins, CO Fort Collins

5k Run/Walk5k Run/Walk

From $25 Closed

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Central Park 5k

Sun, Mar 28 · Denver, CO Denver

5k Run/Walk5k Run/Walk

From $20 Open

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Grand Valley Oncology - Life In Color 5K

Sat, Apr 3 · Grand Junction, CO Grand Junction

Grand Valley Oncology - Life In Color 5K (Timed run)Grand Valley Oncology - Life in Color 5k (Untimed walk)Grand Valley Oncology - Life in Color 5k (Untimed walk) +1

From $35 Closed

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Donut Dash

Sun, Apr 4 · Denver, CO Denver

Virtual 5K5K5K +1

From $30 Open

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Colterris Wine Run 5k

Sat, May 8 · Palisade, CO Palisade

5k5k

From $30 Open

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Denver Mother's Day 5K

Sun, May 9 · Denver, CO Denver

5K5K

From $25.99 Closed

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Run the Spruce 5K and 1K Fun Run

Sat, May 22 · Palmer Lake, CO Palmer Lake

Run the Spruce 1K Fun RunRun the Spruce 5K

From $20 Open

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Flamingo Day 5K

Sun, Jun 6 · Denver, CO Denver

Virtual 5K5KVirtual 5K +1

From $30 Open

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Unicorn 5k (North)

Sat, Jun 19 · Thornton, CO Thornton

1/2 (ish) Mile Saunter - untimed1/2 (ish) Mile Saunter - untimed5k Run/Walk +1

From $16 Open

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Greeley Freedom 5k Walk & Run

Sun, Jul 4 · Greeley, CO Greeley

5k Run5k Walk5k Run +1

From $29 Closed

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Cookie Chase

Sat, Jul 10 · Denver, CO Denver

Virtual 5K5KVirtual 5K +1

From $30 Open

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Spirit of the West 5K Run/Walk

Sun, Jul 25 · Golden, CO Golden

5K Run/Walk5K Run/Walk

From $35 Open

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Eldorado Run for the Cure

Thu, Aug 5 · Eldorado Springs, CO Eldorado Springs

Eldorado Run for the CureEldorado Run for the Cure

From $30 Open

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Unicorn 5k (South)

Sat, Aug 7 · Highlands Ranch, CO Highlands Ranch

5k Run/Walk5k Run/Walk3/4 (ish) Mile Saunter +1

From $13 Open

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2027 Suicide Prevention Color Walk/Run

Wed, Sep 1 · Center, CO Center

2026 Suicide Prevention Color Walk/Run Virtual2026 Suicide Prevention Color Walk/Run Virtual2026 Suicide Prevention Color Walk/Run +1

From $25 Open

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The Extra Mile 5K

Sat, Oct 2 · Englewood, CO Englewood

5k Run

From $20 Closed

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