COVID-19 is causing many races to be cancelled, rescheduled or postponed. We are updating races as fast as possible. Check the official race website for the most up-to-date race information. Stay safe!
Planning to race in an Olympic Triathlon in Colorado? Check out the full list below to see which races athletes have rated as the best olympic triathlons in Colorado. View more triathlons by changing filters and expanding your search area.
We found no Olympic Triathlon races within the defined search criteria, however to help you find your next great race we have done a nearby search with results below.

Commitment Day 5K - Westminster, CO

Westminster, Colorado

January 1st, 2018

Running: Kids Run/Fun Run, 5K

Lifetime Indoor Triathlon - Parker, CO

Parker, Colorado

January 21st, 2018

Triathlon

Lifetime Indoor Triathlon - Westminster, CO

Westminster, Colorado

January 21st, 2018

Triathlon

Frost Giant 5K

Estes Park, Colorado

January 27th, 2018

Running: 10K, 5K

Powder and Porters Winter Trail Race

Evergreen, Colorado

February 25th, 2018

Running: 4.5 Mile Trail Run

West Side Best Side Cross Country Race - NAAC

Arvada, Colorado

February 25th, 2018

Running: 5K

Lantern Run Denver

Denver, Colorado

April 7th, 2018

Running: Half Marathon, 10K, 5K

Dash & Dine 5K Series #1

Boulder, Colorado

April 10th, 2018

Running: 5K

Healthy Kids Running Series - Aurora, CO

Aurora, Colorado

April 15th, 2018

Running: Kids Run/Fun Run

Dash & Dine 5K Series #2

Boulder, Colorado

April 17th, 2018

Running: 5K

Beat Tooth Decay 5K

Denver, Colorado

April 21st, 2018

Running: 5K

Silver Creek Raptor Run

Longmont, Colorado

April 21st, 2018

Running: 5K

Thunder Splash Dash

Henderson, Colorado

April 21st, 2018

Running: 5K

Dash & Dine 5K Series #3

Boulder, Colorado

April 24th, 2018

Running: 5K

Grace's Race

Centennial, Colorado

April 29th, 2018

Running: Kids Run/Fun Run, 5K

Mountain Goat Kids

Lakewood, Colorado

April 29th, 2018

Running: Kids Run/Fun Run

Lincoln Academy Tech Trek 5K

Arvada, Colorado

May 5th, 2018

Running: Kids Run/Fun Run, 5K

Comeback Trail - Denver

Littleton, Colorado

May 6th, 2018

Running: 5K

Denver: bRUNch At Just Be Kitchen

Denver, Colorado

May 6th, 2018

Running: 10K, 5K

Spring Fling Fun Run

Littleton, Colorado

May 6th, 2018

Running: 1 Mile, 5K

High Plains Elementary Fun Run

Englewood, Colorado

May 12th, 2018

Running: 1 Mile, 5K

Lemon Climb - Denver

Denver, Colorado

May 12th, 2018

Running: 31 Floors

Running with the Regiment

Loveland, Colorado

Race Cancelled
May 12th, 2018

Running: 4 Miles

Dash and Dine 5K #5

Boulder, Colorado

May 15th, 2018

Running: 5K

Fear the Deer Trail Half Marathon

Littleton, Colorado

May 19th, 2018

Running: Half Marathon Trail Run

Summer OPEN Sprint Triathlon

Longmont, Colorado

May 19th, 2018

Triathlon: Super Sprint

5K For $5K

Lakewood, Colorado

May 20th, 2018

Running: 5K

Dash and Dine 5K #6

Boulder, Colorado

May 22nd, 2018

Running: 5K

Run for Shelter 5K/10K Bridge of Hope Greater Denver

Littleton, Colorado

May 27th, 2018

Running: 10K, 5K

Conifer's Run the Ranch 5K

Conifer, Colorado

June 2nd, 2018

Running: Kids Run/Fun Run, 5K

Longmont Kids Only Triathlon

Longmont, Colorado

June 2nd, 2018

Triathlon: Youth/Kids

Rider Ramble

Johnstown, Colorado

June 2nd, 2018

Running: 5K

Run for Habitat 5K

Berthoud, Colorado

June 2nd, 2018

Running: 5K

RMRR Trophy Series

Denver, Colorado

June 3rd, 2018

Running: 4K

Skirt Sports 13er

Louisville, Colorado

June 3rd, 2018

Running: Half Marathon, 10K, 5K

Rock n Run 5K

Denver, Colorado

June 9th, 2018

Running: 5K

I Know A Fighter 5K

Denver, Colorado

June 10th, 2018

Running: 5K

The Loveland Challenge

Loveland, Colorado

June 10th, 2018

Cycling: 100 Miles, 30 Miles, 70 Miles

Cure For Cluster 5K

Centennial, Colorado

June 16th, 2018

Running: 5K

Race Against Pain: Cluster Headache Awareness

Littleton, Colorado

June 16th, 2018

Running: 5K