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Ultra Marathons Found In Colorado in April

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Ultra Marathons in Colorado in April 2026

Find A Race is the US's favourite event listings site. Check out our list of April 2026 Ultra Marathons in Colorado below.

Race Calendar: Ultra Marathons Found In April

🚀Boosted

Runs With Scissors Races

Brighton, Colorado
25 Apr 26
$38.10 - $85.80
🚀Boosted

The Grand Traverse

Crested Butte, Colorado
29 Mar 26 - 06 Sep 26
$27.50 - $662.50
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Runs With Scissors Races

Brighton, Colorado
25 Apr 26
$38.10 - $85.80

The Grand Traverse

Crested Butte, Colorado
29 Mar 26 - 06 Sep 26
$27.50 - $662.50
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