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Marathons Found In Colorado in April
View all ↓Marathons in Colorado in April 2026
Find A Race is the US's favourite event listings site. Check out our list of April 2026 Marathons in Colorado below.
Race Calendar: Marathons Found In April
🚀Boosted
2026 Team CKF Running Series
Aspen, Colorado
24 Jan 26 - 18 Apr 26
Free
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2026 Team CKF Running Series
Aspen, Colorado
24 Jan 26 - 18 Apr 26
Free
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