A challenging trail half marathon in Lory State Park, offering breathtaking Rocky Mountain views and a rewarding post-race pancake breakfast.

• Fun
• Scenic
• Competitive

Sat, Sep 12, 2026, 7:00 AM MDT·13.1 Miles·Bellvue, CO

Serious TestRUN

Course · Mixed · Hilly · Family-oriented

Run with purpose for mental health in a supportive, stress-free group setting, where every stride makes a difference.

• Fun
• For a Cause

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

Run Denver's iconic Sloan Lake 5K, celebrating with friends and family amidst skyline views and competitive awards.

• Fun
• Scenic
• Competitive

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

• Fun
• Competitive
• Quirky

Light up the night at this fun 5K run or walk, where glow-in-the-dark attire and a lively after-party create a memorable experience.

• Fun
• Quirky
• Festive

Run or walk the Miles 4 Madison 5K or 1K, a fun and inclusive event dedicated to supporting families with children of different abilities.

• Fun
• Competitive
• For a Cause

Celebrate 20 years of running in Golden, Colorado, on a scenic course that supports local schools. Bring your well-behaved dog for the 5K or 10K.

• Fun
• Scenic
• Competitive
• Quirky

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

Lace up for a festive, friendly Oktoberfest run in Centennial, where good vibes, personal goals, and charity support come together.

• Fun
• Festive
• For a Cause

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

A vibrant color walk/run supporting suicide prevention and mental wellness, welcoming all ages and fitness levels in Center, CO.

• Fun
• Festive
• For a Cause

Run, dance, and celebrate at this glowing 5K music festival that supports Stand Up To Cancer.

• Fun
• Quirky
• Festive
• For a Cause

Run across the iconic Royal Gorge Bridge with stunning views, supporting a great cause for individuals with disabilities and families.

• Fun
• Scenic
• For a Cause

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

Explore the scenic trails of Wildcat Mountain with a 10-mile race for adults and fun, welcoming races for kids.

• Fun
• Scenic

Experience a unique handicap-start 8-mile race on a dirt path through Star K Ranch, designed for a low-key, competitive, and welcoming run.

• Fun
• Competitive
• Quirky

A warm, stress-free run for coffee enthusiasts, offering good vibes, supportive company, and a chance to give back with every mile.

• Fun
• For a Cause

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

Experience Fort Collins's premier trail marathon, a scenic and challenging journey through the Front Range hogbacks with a welcoming finish.

• Fun
• Scenic
• Competitive

Embrace the trails at Bear Creek Lake Park for a scenic 5 or 10-mile race, followed by a lively post-run party with food and free beer.

• Fun
• Scenic

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

A stress-free Halloween-themed run in Centennial, offering 5K, 10K, and Half-Marathon distances with a charitable impact.

• Fun
• Festive
• For a Cause

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

• Fun
• Festive