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Filters:State: CO ×Quirky ×

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Fun Scenic Competitive Quirky Festive For a Cause

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Filters:State: CO ×Quirky ×

1–24 of 28 races in CO · pg 1/2

Donut Dash
Enjoy a flat, fast 5K in Denver, then celebrate your finish with fresh donuts. A sweet and speedy start to your Sunday.
- Fun
- Competitive
- Quirky
Sun, Apr 12, 2026, 9:00 AM MDT5KDenver, CO
Steady EffortRUN
Course · Rolling · Walkers welcome
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 MDT50m, 1 Miles, 3.1 Miles, 6.2 MilesWestminster, CO
Steady Effort
Hot Laps - Denver
A high-energy, competitive team relay inspired by motor racing, where mixed-gender teams race for laps and speed.
- Fun
- Competitive
- Quirky
Fri, Apr 24, 2026, 5:00 PM MDTDenver, CO
Run for Donuts 5K/10K/13.1 DENVER/AURORA
Run for the sweet reward of donuts at the finish line, enjoying a supportive, stress-free race experience.
- Fun
- Quirky
- For a Cause
Sat, Apr 25, 2026, 7:30 AM MDT1 Miles, 5K, 10K, 13.1 Miles
Unicorn 5k (Denver-East)
Gallop, trot, or walk through Denver's Great Lawn Park in this whimsical, untimed 5k, complete with unicorn medals and a costume contest.
- Fun
- Quirky
Sun, Apr 26, 2026, 9:30 AM MDT3.1 Miles, 880 YardsDenver, CO
Easygoing
RMRR May Trophy Series
Experience a uniquely competitive 5-mile or 5K race with a handicap start system designed to give every runner a chance to win.
- Competitive
- Quirky
Sun, May 3, 2026, 8:00 AM MDT5K, 5 MilesDenver, CO
Steady Effort
SuperHeroes Run 5K/10K/13.1 DENVER/AURORA
Unleash your inner superhero at this supportive, stress-free run in Centennial, where every mile helps a charity.
- Fun
- Quirky
- For a Cause
Sat, Jun 6, 2026, 7:30 AM MDT
RMRR June Trophy Series
A low-key 4K in Denver with a unique handicap start, giving every runner a chance to shine. Welcoming and community-focused.
- Fun
- Competitive
- Quirky
Sun, Jun 7, 2026, 8:00 AM MDT4K
Sloth Run 5K/10K/13.1 DENVER/AURORA
Trade speed for serenity at the Sloth Run, a chill event where every pace is celebrated and good vibes lead the way.
- Fun
- Quirky
- For a Cause
Sat, Jun 20, 2026, 7:30 AM MDT1 Miles, 5K, 10K, 13.1 Miles
Run for Chocolate 5K/10K/13.1 DENVER/AURORA
A deliciously fun, stress-free run with a sweet chocolate theme, perfect for all paces and supporting charity initiatives.
- Fun
- Quirky
- For a Cause
Sat, Jul 4, 2026, 7:30 AM MDT
Run for Coffee Lovers 5K/10K/13.1 DENVER/AURORA
A welcoming run for coffee lovers, offering a supportive, stress-free experience with optional timing and a charitable impact.
- Fun
- Quirky
- For a Cause
Sat, Jul 25, 2026, 7:30 AM MDT
Run for Donuts 5K/10K/13.1 DENVER/AURORA
Run a beautiful course and earn your donuts at the finish line, all while supporting a good cause in a welcoming, stress-free setting.
- Fun
- Scenic
- Quirky
- For a Cause
Bagel Run 5K/10K/13.1 DENVER/AURORA
Run for the carbs and stay for the bagels at this fun, community-focused event that supports a good cause.
- Fun
- Quirky
- For a Cause
Sat, Aug 15, 2026, 7:30 AM MDT1 Miles, 5K, 10K, 13.1 Miles
Run for PB& J 5K/10K/13.1 DENVER/AURORA
Enjoy a relaxed, PB&J-themed half marathon with optional timing, direct swag shipping, and a charitable component.
- Fun
- Quirky
- For a Cause
Sat, Aug 15, 2026, 7:30 AM MDT1 Miles, 5K, 10K, 13.1 Miles
Ram Run
A beloved community 5K in Denver supporting the Green Mountain High School Cross Country Team, complete with awards and guaranteed shirts.
- Fun
- Competitive
- Quirky
- For a Cause
Sloth Run 5K/10K/13.1 DENVER/AURORA
Slow is the new fast at this uniquely themed run. Enjoy a chill pace, supportive community, and contribute to charity with every mile.
- Fun
- Quirky
- For a Cause
Sat, Aug 29, 2026, 7:30 AM MDT
National Chocolate Day: Run for Chocolates 5K/10K/13.1 DENVER/AURORA
Celebrate National Chocolate Day with a sweet, stress-free run where every mile you log after the race supports charity.
- Fun
- Quirky
- Festive
- For a Cause
9/11 Heroes Run - Denver, Colorado
Honor heroes and support military families and first responders in this unique 5K, featuring both running and rucking divisions.
- Quirky
- For a Cause
Sun, Sep 13, 2026, 9:00 AM MDT1 Miles, 5KDenver, CO
Steady Effort
Run for Donuts 5K/10K/13.1 DENVER/AURORA
Run a beautiful course, enjoy a supportive community, and celebrate with donuts at the finish line. A sweet reward for every mile.
- Fun
- Quirky
- For a Cause
Sat, Sep 26, 2026, 7:30 AM MDT
NIGHT NATION RUN - DENVER
Run, dance, and celebrate at this glowing 5K music festival that supports Stand Up To Cancer.
- Fun
- Quirky
- Festive
- For a Cause
Spooky Sprint - Denver
A festive Halloween-themed run in Denver, perfect for families and runners of all ages seeking fun and a little spooky cheer.
- Fun
- Quirky
- Festive
Sat, Oct 3, 2026, 8:00 AM MDT50m, 1 Miles, 3.1 Miles, 6.2 Miles, 13.1 Miles
Bagel Run 5K/10K/13.1 DENVER/AURORA
Run for the carbs and community at this stress-free 13.1-mile event, where every mile supports charity and bagels await at the finish.
- Fun
- Quirky
- For a Cause
Sat, Oct 10, 2026, 7:30 AM MDT
PB&J Fuel Run 5K/10K/13.1 DENVER/AURORA
A stress-free, supportive run with a sweet PB&J theme, where every mile you log after the race contributes to charity.
- Fun
- Quirky
- For a Cause
Sat, Oct 31, 2026, 7:30 AM MDT
RMRR November Trophy Series
A low-key, competitive 15K or 5K in Denver's open space, featuring a unique handicap start for the 15K.
- Fun
- Scenic
- Competitive
- Quirky

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RUN

Course · Rolling · Walkers welcome

RUN

Course · Hilly · Timed race

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Centennial, CO

Push PotentialRUN

Course · Hilly · Timed race

RUN

Course · Rolling · Timed race

RUN

Course · Road · Rolling · Timed race

1 Miles, 5K, 10K, 13.1 Miles

·

Centennial, CO

Push PotentialRUN

Course · Hilly · Timed race

Denver, CO

Steady EffortRUN

Course · Road · Rolling · Timed race

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Centennial, CO

Push PotentialRUN

Course · Hilly · Timed race

1 Miles, 5K, 10K, 13.1 Miles

·

Centennial, CO

Push PotentialRUN

Course · Hilly · Family-oriented

1 Miles, 5K, 10K, 13.1 Miles

·

Centennial, CO

Steady EffortRUN

Course · Timed race

Sat, Jul 25, 2026, 7:30 AM MDT·1 Miles, 5K, 10K, 13.1 Miles·Centennial, CO

Steady EffortRUN

Course · Timed race

·

Centennial, CO

Push PotentialRUN

Course · Hilly · Timed race

·

Centennial, CO

Steady EffortRUN

Course · Timed race

Sat, Aug 22, 2026, 8:30 AM MDT·2K, 5K·Denver, CO

Push PotentialRUN

Course · Mixed · Hilly · Timed race

1 Miles, 5K, 10K, 13.1 Miles

·

Centennial, CO

Push PotentialRUN

Course · Hilly · Timed race

Sat, Sep 12, 2026, 7:30 AM MDT·1 Miles, 5K, 10K, 13.1 Miles·Centennial, CO

Push PotentialRUN

Course · Hilly · Family-oriented

RUN

Course · Rolling · Walkers welcome

1 Miles, 5K, 10K, 13.1 Miles

·

Centennial, CO

Steady EffortRUN

Course · Timed race

Sat, Sep 26, 2026, 7:00 PM MDT·5K·Commerce City, CO

Steady EffortRUN

Course · Rolling · Timed race

·

Denver, CO

Steady EffortRUN

Course · Rolling · Walkers welcome

1 Miles, 5K, 10K, 13.1 Miles

·

Centennial, CO

Steady EffortRUN

Course · Timed race

1 Miles, 5K, 10K, 13.1 Miles

·

Centennial, CO

Push PotentialRUN

Course · Hilly · Timed race

Sun, Nov 1, 2026, 8:30 AM MST·5K, 15K·Denver, CO

Push PotentialRUN

Course · Mixed · Rolling · Timed race