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Boulder duathlons

Duathlons in Boulder, Colorado

2 upcoming duathlons in Boulder, listed by date with entry fees from race registration.

2

upcoming duathlons

Other distances in Boulder

June 2027

Colorado Triathlon

Open water swim

Sprint Triathlon Olympic Triathlon Duathlon Aquabike

from $105

July 2027

Boulder Peak Triathlon

7:15 AM startOpen water swim

Olympic Triathlon Duathlon Aquabike

from $115