Event details subject to change. Please confirm all information via event website.
Yeti Chase
Bear Creek Lake Park 15600 W Morrison Rd, Lakewood, CO, United StatesThis race is conveniently located on the scenic west side of metro Denver. Bear Creek Lake Park is known for it’s diverse bird and waterfowl population as well as stunning views of the foothills. The 5k and 10k races wander it’s 2500 acres with a mostly flat course - the 10k throws in a few […]
Chilly Cheeks Winter Duathlon
Cherry Creek State Park 4201 S Parker Rd, Aurora, CO, United StatesThe Chilly Cheeks Duathlon Series is now a stand-alone event held in late February. The 63rd Chilly Cheeks Duathlon will be held in the traditional format of Run-Bike-Run. Both runs will be 2.5 miles in length and the bike course will be an 11 mile paved road route. As always, we will provide a marked […]
Three Creeks Half Marathon
Cherry Creek State Park 4201 S Parker Rd, Aurora, CO, United StatesRacing Underground brings you an amazing half marathon this spring! The Three Creeks Half Marathon features a half marathon course that is flat, fast and scenic! Travel on foot through some of the most beautiful parts of Cherry Creek State Park, with a total combined elevation gain of only 291 feet spread out over 13.1 […]
Blue Sky Ascent
Echo Lake Campground 13264 Chicago Creek Rd, Idaho Springs, CO, United StatesAlthough the air will be noticeably thin at the starting line, Echo Lake's 10,600 feet of elevation is just the beginning. The climb totals nearly 4,000 vertical feet - much of it above treeline - as you make your way 14.5 miles to the finish line located at the summit of one of the most […]
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