Colorado race calendar

October 2026 races in Colorado

Triathlons and bike races in Colorado in October 2026: 5 upcoming triathlons, duathlons, aquabikes, and rides with dates and entry fees.

upcoming races

2,026

year

By distance

Alamosa, Colorado9:00 AM startPool swim

from $75

Fort Collins, Colorado7:00 AM start

from $110

Elbert, Colorado10:00 AM start

from Free

Colorado Springs, Colorado9:00 AM start

from $40

Idaho Springs, Colorado9:00 AM start

from $30