from $55
RegisterColorado duathlons
Duathlons in Colorado
8 upcoming duathlons in Colorado listed by date, with cities, start times, and entry fees. Find a duathlon near you and register.
8
upcoming races
0
cities with 5+
Other distances
February 2027
from $65
RegisterMarch 2027
from $205
RegisterJune 2027
from $105
Register
from $59
RegisterRace in the Clouds - Alma Dirt Festival 2027
Alma, Colorado1:30 PM startTrail
from Free
RegisterJuly 2027
Boulder Peak Triathlon
Boulder, Colorado7:15 AM startOpen water swim
from $115
RegisterAugust 2027
Stagecoach Gravel Triathlon
Oak Creek, Colorado8:05 AM startTrailOpen water swim
from $110
Register