Eldorado Springs close

Triathlon Calendar near Eldorado Springs 2026-2027

Header image

Explore the top triathlons near Eldorado Springs for 2026-2027! We've gathered 5 exciting races in the area. Check out our detailed list below to find your next local race.

October 2026
Oct
31
Sa

Fort Lupton Mini Triathlon

Triathlon
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
Feb
7
Su

Old Man Winter Bike Rally & Run

Road Race Trail Run Multisport Mini Run/Bike Combo 5 km 23 mi RELAY - Mini Run 5k / Bik... 5 km 23 mi Run/Bike Combo 10 km 40 mi Olympic 10 km 40 mi
A winter bike rally and trail run in Lyons, Colorado offering multiple run and ride distances plus an afterparty with food, music and saunas.
Feb
20
Sa

Chilly Cheeks Duathlon

Duathlon Individual Duathlon 2.5 11 2.5 mi Duathlon Relay 2.5 11 2.5 mi
Late February Run, bike, run duathlon at Cherry Creek State Park with two 2.5 mile runs and an 11 mile paved bike course; winter course conditions possible.
June 2027
Jun
6
Su

Summer Vibes Bike Rally & Run Festival

Trail Run Duathlon 5 mi
A mixed gravel-bike and trail-running festival in Lyons, Colorado on June 6, 2027, featuring races from 100K to 5 miles plus relays, BMX, camping and a concert.
Jun
12
Sa

Ironman 70.3 Boulder

Triathlon Middle distance 1.9 90 21.1 km
IRONMAN 70.3 Boulder is a 70.3 triathlon in Boulder, CO with a reservoir swim, hilly bike and run courses and racing at higher elevation.
Monthly updates for Eldorado Springs

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.