Colorado Multisport Calendar

IRONMAN World Championship

Kailua-Kona, Hawaii Kailua-Kona, HI, United States

The very best will embark on a 140.6-mile journey that presents the ultimate test of body, mind and spirit. Through decades of stellar athlete performances, inspirational participants and emotional memories, […]

Narrowleaf Lake Run

Boyd Lake State Park (Loveland) 3720 N County Road 11-C, Loveland, CO, United States

Brisk autumn running in Colorado – OH YEA! Join us for a family fun event with three distance options at the beautiful Boyd Lake State Park venue. What’s a “Narrowleaf” […]

IRONMAN California

Sacramento, California CA, United States

Every race starts with a goal. At Kaiser Permanente IRONMAN California, our goal is to make you go fast on every course you encounter. We want you to feel the […]

IRONMAN Florida

Panama City Beach, Florida Panama City Beach, FL, United States

Stocking Run 5K

Superior Superior, CO, United States

The Stocking Run is a festive 5K road run in the town of Superior on December 11th. All finishers will receive a stocking run finisher medal that doubles as a […]

Chilly Cheeks Duathlon Series

Hobie Park 4800 S. Dayton St., Greenwood Village, CO, United States

Denver's low key, low cost multisport winter series!!! The Chilly Cheeks Winter Series is composed of three fun run-bike events at the Cherry Creek Reservoir. We provide a marked and […]

Yeti Chase 5K & 10K

Bear Creek Lake Park (Lakewood) 15600 W. Morrison Road, Lakewood, CO, United States

The Yeti Chase 5K & 10K take place at beautiful Bear Creek Lake Park in Lakewood. This is the 13th year for the Yeti Chase, and it has sold out […]

Frisco Gold Rush

Frisco Nordic Center 616 Recreation Way, Frisco, CO, United States

The Annual Frisco Gold Rush is the longest running Nordic event in Colorado, and consists of classic and skate races open to skiers of all ages and abilities. Gold Rush […]

5th Annual Frisco Freeze Fat Bike Race

Frisco Nordic Center 616 Recreation Way, Frisco, CO, United States

Join us for the Annual Frisco Freeze Fat Bike Race at the Frisco Nordic Center. This is your one chance this winter to ride your fat bike on the Frisco […]

Boulder Peak Triathlon logo