Glendale close

Triathlon Calendar near Glendale 2026-2027

Header image

Explore the top triathlons near Glendale for 2026-2027! We've gathered 4 exciting races in the area. Check out our detailed list below to find your next local race.

September 2026
A combined 5K trail run and 3K paddle at Chatfield State Park in Littleton, Colorado, with limited participant slots and paddleboard rentals available. Categories include men's, women's, and a couples relay where teammates split the run and paddle.
October 2026
Mini Tri comp only on October 31, 2026 in Fort Lupton features 15 minute swim bike run slots, combined time scoring, and prizes for fastest time and costumes.
February 2027
A winter Run-Bike-Run duathlon in Englewood with a 10.8 mile bike and two short runs, Open and Fat Tire categories, relay teams, chip timing, and age-group awards.
June 2027
IRONMAN 70.3 Boulder on June 12, 2027 features a reservoir swim, hilly bike and run at higher elevation near the Flatirons.
Monthly updates for Glendale

Get new running races (and updates) in your inbox every month.

Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.