Duathlons in Colorado 2025 - 2026

The Grand Traverse

Crested Butte, Colorado

16 Dec 24 - 31 Aug 25

Free - $673.00

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Old Man Winter Bike Rally & Run

Lyons, Boulder

02 Feb 25

$50.00

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Chilly Cheeks Duathlon

Englewood, Colorado

22 Feb 25

$80.50 - $107.00

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Mini Mortals Duathlon

Pueblo, Colorado

10 May 25

$27.50

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Ordinary Mortals Duathlon

Pueblo, Colorado

10 May 25

$38.10 - $69.90

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The Alma Foundation Race in the Clouds Dirt Festival

Alma, Colorado

10 Jul 25 - 13 Jul 25

Free - $69.90

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