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.
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Deck your halls again this season with some sweet race SWAG at our 7th annual Fa La La centrally located between Denver & Boulder just a mile off US-36 at Westminsters award-winning City Park! Along with its Endless Series sidekick in July Dog Days, the majesty of our breathtaking Flatirons as a backdrop will inspire you every step of these 1M, 5K, 10K & Half Marathon courses along Big Dry Creek Trail well known as a Colorado favourite.
Welcom to That Dam Run & Crush That Dam!
The Best Dam Run you will ever do! Come Crush that Dam and run either the 13.1 (Half Marathon), 10K, or 5K. Come CRUSH THAT DAM, have fun & enjoy with your family, friends & loved ones.
Whew, finally an option to race in February that doesnt include hearts, flowers or anything pink! Get your nature fix at Bear Creek Lake Park and our 3rd annual Mardi Crawl 1M, 5K, 10K & Half Marathon! Just outside beautiful Morrison, CO The Nearest Faraway Place, and at the base of the world famous Red Rocks Amphitheatre, the majestic views every step of the way along these loop courses are a Colorado cant miss!
As those summer mornings are just beginning to cool, join us for a celebration to end the season and our 7th Annual Runapalooza! From the award-winning Apex Center, this 1M, 5K, 10K & Half Marathon courses will run west along 2012 Best of the Best Ralston Creek Trail through Arvadas open spaces and stunning golf course communities. With its creek-side beauty, this is a cant miss opportunity to enjoy much of what Colorado has to offer!
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!
From the base of Table Mountain and Colorados spectacular foothills, All-Out Multicourse presents our 8th annual Kooky-Spooky from Jefferson Countys NAAC Stadium easily accessible from Hwy 93, 6th Ave, Hwy 58 or I-70. Along with its Endless Series sidekick in March Spring Fever, this 1M, 5K, 10K & Half Marathon courses will hug the shores of Arvadas Blunn Reservoir via the Ralston Creek Trail and will challenge the beginner and veteran athlete alike.
Rudolph has been rambling around Denver and he is lost! So grab your running shoes and join the Rudolph Search and Rescue Team. Find clues along the course...and hopefully, find Rudolph before Christmas is ruined!!
Welcome to Polar Bear 5K. Join us for the ultimate fun & enjoy with your friend family & loved one.
You run faster when it's cold, right? Get a great time and have a great time at the Polar Bear 5K! Come on! All the "cool" runners are doing it and get your Chill on!
You spent months preparing for this day with sweat, blood, and tears (and maybe a few beers), now it is time to hit the line and test your running back speed at Denver's largest Super Bowl Run. Come out for the Super Bowl 5K Run & Walk and Kids Fun Run. Don't forget to dress in your craziest football fan gear!
Join us for Denver's original Valentine's Day Run/Walk (4 Mile) and Kids Fun Run! Meet Cupid and maybe find a sweetheart (or run with your sweetheart!). Dress up as your favorite couple from a TV/Movie/Book or dressed for a fancy Date Night! Come run for The Love of it!
From the base of Table Mountain and Colorados spectacular foothills, All-Out Multicourse presents our 7th annual Spring Fever from Jefferson Countys NAAC Stadium easily accessible from Hwy 93, 6th Ave, Hwy 58 or I-70. Along with its Endless Series sidekick in October Kooky-Spooky, these 1M, 5K, 10K & Half Marathon courses will hug the shores of Arvadas Blunn Reservoir via the Ralston Creek Trail and will challenge the beginner and veteran athlete alike.