10Ks in Colorado

Colorado has 21 upcoming 10Ks. The 10K hits a sweet spot between speed and endurance — a real race without the full training commitment of a half marathon.

21 upcoming races listed

Fun races Scenic races Competitive races Quirky races Festive races For a Cause races Beginner-friendly

DoNot Stop Half Marathon (5k/10k) - Denver

Run or walk a sweet race with a fun donut theme, complete with great swag, free photos, and a delicious treat at the finish line.

Fun
Quirky

Sun, Apr 19, 2026, 8:00 AM MDT6.2 MilesWestminster, CO

Steady EffortRUN

Course · Rolling · Walkers welcome

High Line Canal 5K/10K Run

A beloved local run offering scenic views, chip timing, and a rewarding finish with pancakes, beer, and awards.

Fun
Scenic
Competitive

Sat, May 2, 2026, 7:30 AM MDT6.2 MilesCentennial, CO

Steady EffortRUN

Course · Hilly · Family-oriented

Spirit Challenge Run for Autism 10k and 5k

Join the Spirit Challenge in Steamboat Springs to run for autism awareness and enjoy a welcoming community event with varied distances.

Fun
For a Cause

Sat, May 16, 2026, 9:00 AM MDT6.2 MilesSteamboat Springs, CO

Push PotentialRUN

Course · Road · Hilly · Timed race

8th Annual Angel Run at Red Leg Brewing

A Memorial Day run for a meaningful cause, followed by a festive gathering with food, music, and craft beer at Red Leg Brewing.

Fun
Festive
For a Cause

Mon, May 25, 2026, 8:00 AM MDT10KColorado Springs, CO

Push PotentialRUN

Course · Hilly · Walkers welcome

DU Dash Colorado

Run a scenic 10K on the Santa Fe Trail, enjoying Rocky Mountain views while supporting wetland conservation in Palmer Lake, CO.

Scenic
For a Cause

Sun, Jun 7, 2026, 8:30 AM MDT10KPalmer Lake, CO

Push PotentialRUN

Course · Hilly · Timed race

The Bullfrog Splashdown

Run a challenging 6.2 miles in Littleton, then celebrate your accomplishment at a lively post-race party.

Sun, Jun 14, 2026, 10:00 AM MDT6.2 MilesLittleton, CO

Steady EffortRUN

Course · Hilly · Timed race

Father's Day Classic 10k, 5k, & 1 Mile

A cherished Father's Day tradition in Arvada, offering distances for all paces and a unique timed mile for men.

Fun
Competitive
Quirky
Festive

Sun, Jun 21, 2026, 8:00 AM MDT10KArvada, CO

Steady EffortRUN

Course · Hilly · Walkers welcome

SBT TRL

Discover challenging trails and breathtaking views at the SBT TRL 10K, part of the exciting SBT GRVL race weekend in Steamboat Springs.

Fun
Scenic

Sat, Jun 27, 2026, 8:30 AM MDT10KSteamboat Springs, CO

Push PotentialRUN

Course · Hilly · Timed race

Ourayce 10K Fun Run

Experience stunning mountain views in Ouray, Colorado, while supporting affordable housing at this annual 10K Fun Run.

Fun
Scenic
Quirky
Festive
For a Cause

Sat, Jul 4, 2026, 7:30 AM MDT10KOuray, CO

Push PotentialRUN

Course · Hilly · Timed race

Let Freedom Run 5k/10k - Louisville

Celebrate the Fourth of July by running as your favorite American hero in this fun, themed 5k/10k event.

Fun
Quirky
Festive

Sat, Jul 4, 2026, 7:40 AM MDT10KLouisville, CO

Steady EffortRUN

Course · Hilly · Family-oriented

Eat. Run. Adopt. 10K

Run, eat, and support a great cause at this unique 10K featuring local food samples at aid stations and benefiting animal rescue.

Fun
Competitive
Quirky
For a Cause

Sat, Aug 8, 2026, 10:00 AM MDT6.2 MilesBerthoud, CO

Steady EffortRUN

Course · Rolling · Timed race

Into the Hills Eltuck 10k

A fun, low-key midweek trail series in Bellvue, CO, offering varied distances, chip-timed results, and a welcoming atmosphere for all skill levels.

Fun
Competitive

Tue, Aug 11, 2026, 6:00 PM MDT10KBellvue, CO

Serious TestTRAIL

Course · Mixed · Hilly · Family-oriented

RMRR September Trophy Series

Experience a unique handicap start 10K race with the Rocky Mountain Road Runners, offering a welcoming and low-cost competitive vibe.

Fun
Competitive
Quirky

Sun, Sep 13, 2026, 8:00 AM MDT10KThornton, CO

Push PotentialRUN

Course · Mixed · Hilly · Timed race

Parker Parks and Recreation So Long to Summer 5K/10K

A professionally timed 5K/10K to celebrate the end of summer, complete with pancakes, beer, and support for a local scholarship program.

Fun
Festive
For a Cause

Sat, Sep 26, 2026, 8:00 AM MDT6.2 MilesParker, CO

Steady EffortRUN

Course · Hilly · Timed race

Spooky Sprint - Colorado Springs

A festive Halloween-themed run in Colorado Springs, perfect for families and runners seeking a fun, spirited race experience.

Fun
Festive

Sat, Oct 31, 2026, 8:00 AM MDT6.2 MilesColorado Springs, CO

Push PotentialRUN

Course · Hilly · Walkers welcome

City Park Classic (5k/10k & 1 Mile Walk of Hope for Pancreatic Cancer Research)

Kick off Pancreatic Cancer Awareness Month in Denver with a 5k, 10k, or 1 Mile Walk, supporting local research.

For a Cause

Sat, Nov 7, 2026, 9:00 AM MST6.2 MilesDenver, CO

Push PotentialRUN

Course · Rolling · Walkers welcome

Alamosa Veterans Memorial Park Race

Run or walk to honor veterans and support Alamosa's Veterans Memorial Park, enjoying a flat course and community spirit.

For a Cause

Sat, Nov 7, 2026, 10:00 AM MST10KAlamosa, CO

Steady EffortRUN

Course · Flat · Timed race

Denver Veterans Day Run

Join this meaningful Veterans Day event in Denver's City Park, featuring a 5K, 10K, and a special 10K ruck to support Colorado Veterans.

Fun
Scenic
Quirky
Festive
For a Cause

Sat, Nov 14, 2026, 9:00 AM MST6.2 MilesDenver, CO

Steady EffortRUN

Course · Rolling · Family-oriented

Pumpkin Pie 5K/10K

Kick off your holiday season with a flat, fast run in City Park, earning a slice of pumpkin pie and a medal.

Fun
Competitive
Festive

Sat, Nov 21, 2026, 9:00 AM MST10KDenver, CO

Steady EffortRUN

Course · Rolling · Family-oriented

Broomfield Turkey Day 5K/10K

Start your Thanksgiving with a family-friendly 10K and a meaningful food drive, celebrating community and tradition in Broomfield.

Fun
Festive
For a Cause

Thu, Nov 26, 2026, 9:00 AM MST10KBroomfield, CO

Steady EffortRUN

Course · Hilly · Family-oriented

Santa Catch 5k & 10k

Run into the holiday season with a festive 5K or 10K, featuring a hot cocoa bar, sauna, cold plunge, and a mission to support local families.

Fun
Festive
For a Cause

Sat, Dec 12, 2026, 9:00 AM MST10KWindsor, CO

Steady EffortRUN

Course · Rolling · Family-oriented

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More 10K races

All races in Colorado 10Ks in Denver, CO 10Ks in Centennial, CO 10Ks in Colorado Springs, CO 10Ks in Fort Collins, CO 10Ks in Littleton, CO 10Ks in Arvada, CO 10Ks in Westminster, CO 10Ks in Boulder, CO 10Ks in Loveland, CO 10Ks in Steamboat Springs, CO 10Ks in Durango, CO 10Ks in Golden, CO 10Ks in Aurora, CO 10Ks in Longmont, CO 10Ks in Thornton, CO

Other distances in Colorado

5Ks in Colorado Half Marathons in Colorado Marathons in Colorado