Events in Denver

Showing 1 - 12 of 164 events
APR7
Registration Perks
Cookie Chase 5K701 S Franklin St, Denver, CO 80209, USA

The Cookie Chase is Denvers race that ends with cookies. Runners and walkers can take advantage of a flat and fast course, and then enjoy fresh cookies at the finish. Our mission is to bring people together to have a fun, fit morning, all while supporting the many different needs throughout our region. All finishers will get a finishers medal, as well as top-notch chip timing, a race logo shirt and finish line expo with vendors and food and cookies!

$25
5k
Cookie Chase 5K
APR13
Registration Perks
All-Out Beat The Heat Full Marathon, Half Marathon,10K, 5K & 1Mile10170 Church Ranch Way, Westminster, CO 80021, USA

One of Colorados favorite trails meets one of its most glorious parks at our 7th annual Beat the Heat 1M, 5K, 10K, Half & Full Marathon! As courses wind southwest along Big Dry Creek Trail, the remarkable sight of Standley Lake with the Flatirons on the horizon will come into view, then the rustic nature to the northeast will be waiting to greet our marathon athletes. A course thats not too hilly & not too flat makes this the perfect event for all abilities & preferences, plus along with its Endless Series sidekick in September Fallfest, All-Out Multicourse is proud to bring you the one and only groomed trail marathon course in the Denver Metro Area!

$25 - $100
Marathon • Half Marathon • 10k • 5k
All-Out Beat The Heat Full Marathon, Half Marathon,10K, 5K & 1Mile
JUN22
Registration Perks
All-Out Summer Breeze Half Marathon, 10K, 5K & 1Mile11200 W 58th Ave, Arvada, CO 80002, USA

From the heart of the West Metro area and the Stenger Soccer Complex, All-Out brings you our 7th annual Summer Breeze! Along with its Endless Series sidekick in January Polar Prowl, these 1M, 5K, 10K and Half Marathon courses will follow Van Bibber Creek Trail west through Arvadas open spaces with spectacular views of the countryside and Table Mountain. Plus, all distances have a fairly level grade, so yup get ready for a PR!

$25 - $65
Half Marathon • 10k • 5k • Other
All-Out Summer Breeze Half Marathon, 10K, 5K & 1Mile
MAY5
Registration Perks
Emerge 5k: Helping Our Youth SoarBoulder, CO, USA

Join us for the Sixth Annual EMERGE 5K:

This 5K family walk/run event is an empowering experience designed to raise awareness of youth suicide prevention efforts and bring support to the youth of Boulder and St. Vrain Valley School Districts. Join us in helping them soar!

Awesome live music will be provided by Kutandara! Post-race (free) refreshments from Button Rock Bakery, KT's BBQ, Morning Glory Cafe and more.


Proceeds from this event benefit the Second Wind Fund of Boulder County, a non-profit organization whose mission is to provide funded counseling services to at risk youth in Boulder County. The event is also designed as an opportunity for remembrance of those we've lost to suicide and a celebration of all who choose life.

$20 - $35
5k
Emerge 5k: Helping Our Youth Soar
JUL20
All-Out Annual Dog Days Half Marathon, 10K, 5K & 1Mile10455 Sheridan Boulevard, Westminster, CO 80020, USA

Get ready for some fun in the sun and a great mid-season test of your training as we bring our 7th Annual Dog Days 1M, 5K, 10K & Half Marathon! Centrally located between Denver & Boulder at Westminsters award-winning City Park, along with its Endless Series sidekick in December Fa La La, the beauty of our breathtaking Flatirons as a backdrop will inspire you every step of the way. Plus Big Dry Creek Trail is well known as a Colorado favourite!

$20 - $80
Half Marathon • 10k • 5k • Other
All-Out Annual Dog Days Half Marathon, 10K, 5K & 1Mile
MAY27
BolderBOULDER 10kBoulder, CO 80303, USA

In 1979 we dreamt of attracting a few hundred of our friends to race through the streets of Boulder, Colorado to celebrate Memorial Day with our families. Fast forward almost 40 years and the BolderBOULDER has grown to become one of the largest and most highly acclaimed 10Ks in the world. Named Americas All-Time Best 10K by Runners World, it is the 3rd largest running race in the United States and the 7th largest in the world.

$35 - $85
10k
BolderBOULDER 10k
AUG3
Registration Perks
Tri for the Cure - DenverCherry Creek State Park, 4201 S Parker Rd, Aurora, CO 80014, USA

The Tri for the Cure is a sprint-distance triathlon where women of all ages and fitness levels unite in a celebration of strength, sisterhood, and self.

Through the years, thousands of Tri participants have proven there is great power in women helping women. You have mentored and supported each other to new heights, all while raising over $1,000,000 to fight breast cancer in Colorado. You inspire us. We salute you.

$100 - $235
Sprint
Tri for the Cure - Denver
AUG10
Registration Perks
Tough Mudder – Colorado8220 Piney River Avenue, Littleton, CO 80125, USA

Tough Mudder is more than a mud run - its an epic teamwork experience. Lace up to break free from the everyday and show your weekend who's boss. The biggest party of your year is going down at Sterling Ranch, just 20 minutes from downtown Denver. So crew-up and take in the beautiful red rocks, conquer some epic obstacles, and enjoy the Mudder Village Festival.

Tough Mudder 5K: 3 miles, 13 obstacles

Tough Mudder Classic: 8-10 miles, 25 obstacles

Tougher Mudder: Same course as the Classic, but competitively timed.

$65 - $129
10 Miles - Saturday • 10 Miles - Sunday • 5k - Saturday • 5k - Sunday • Tougher Mudder
Tough Mudder – Colorado
SEP21
All-Out Fallfest Full Marathon, Half Marathon,10K, 5K & 1Mile10170 Church Ranch Way, Westminster, CO 80021, USA

One of Colorados favourite trails meets one of its most glorious parks at our 5th annual Fallfest 1M, 5K, 10K, Half & Full Marathon! As courses wind southwest along Big Dry Creek Trail, the remarkable sight of Standley Lake with the Flatirons on the horizon will come into view, then the rustic nature to the northeast will be waiting to greet our marathon athletes. A course thats not too hilly & not too flat makes this the perfect choice for all abilities & preferences, plus along with its Endless Series sidekick in April Beat the Heat, All-Out Multicourse is proud to bring you the one and only groomed trail marathon course in the Denver Metro Area!

$20 - $100
Marathon • Half Marathon • 10k • 5k • Other
All-Out Fallfest Full Marathon, Half Marathon,10K, 5K & 1Mile
NOV17
Registration Perks
Mac 'N Cheese 5kWashington Park, Denver, CO, USA

Welcome to the Denver Mac 'n Cheese premier 5k road race, starting and finishing in Washington Park. The Mac 'N Cheese 5k is a flat and fast course, offering $5,000 in prize money, age group awards, and plenty of food and beverages at the post-race party!

$35
5k
Mac 'N Cheese 5k

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