Wine Run 5K

The Winery At Holy Cross Abbey 3011 US-50, Canyon City, CO, United States

Like Running or Walking?  Love Wine?  This race is for you! Join us on Sunday, September 1, 2024 at 10:00am for an exciting annual event that features the amazing scenery […]

$35

Oak Creek No Fun Run

Oak Creek Town Hall 123 Nancy Crawford Blvd, Oak Creek, CO, United States

The Running Series is excited to have the Oak Creek No Fun Run on our schedule again! Please join us in remembering long-time Running Series competitor Larry Brooks, a former […]

Roost Rebellion Relays

Washington Park - Denver 701 S Franklin St, Denver, CO, United States

Welcome to the Roost Rebellion Relays! Assemble your fastest 4 x 1 mile relay team to race in Washington Park. Each team needs to be co-ed with at least 2 […]

American Heroes Run

Rogers Grove Park 220 North 95th Street, Longmont, CO, United States

The tragic events of 9/11/01 changed our nation forever. Let us not forget our proud history and those who fight everyday to keep us free. Please join us for this […]

Flaming Foliage Relay

Citizens Park 17th Ave & Miner St, Idaho Springs, CO, United States

Flaming Foliage is a 165 mile overnight team relay race adventure with single track trails, from Idaho Springs to beautiful Buena Vista, over Guanella, Georgia & Fremont Passes. Since 2013, […]

Littlefoot Sprint Triathlon

Bear Creek Lake Park 15600 W Morrison Rd, Lakewood, CO, United States

Enjoy a fun late season tri at beautiful Bear Creek Lake Park in a land before time. Set at the base of the foothills, the Littlefoot Triathlon starts off with […]

Black Squirrel Half Marathon

Lory State Park 708 Lodgepole Dr, Bellvue, CO, United States

The Black Squirrel Trail Half Marathon takes place on the wonderful trails of Lory State Park to the northwest of Fort Collins, CO. The trail half marathon course offers a […]

$75 – $99

Devil on the Divide 50K/22K

Minton Park Cemetery Rd, Empire, CO, United States

We are pleased to present one of the most beautiful and challenging trail racing events in the state of Colorado with breathtaking (literally and figuratively) views of Clear Creek County […]

Harvest Moon Long Course Triathlon

Boulder Reservoir 5565 N 51st St, Boulder, CO, United States

The Harvest Moon Triathlon the 23rd edition of this event takes place at the beautiful Boulder Reservoir on September 10th, 2022.  Est. in 2000 this Colorado classic  provides the veterans […]

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