6 events in San Juan County, Colorado

From big races to Saturday morning group runs—find running, cycling, triathlon, and swimming events and connect with the local endurance sports community.

• The John Cappis [skypilots.org] [Register at ultrasignup.com]
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  Sat, Jun 27, 2026 at 5:00 AM

  50k Ultra

  San Juan County, Colorado, United States
  OpenStreetMap Google Maps
• Hardrock 100 Endurance Run [ultrasignup.com]
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  Fri, Jul 10, 2026

  100 Miles Run Ultra

  San Juan County, Colorado, United States
  OpenStreetMap Google Maps
• Hardrock 100 Endurance Run [hardrock100.com]
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  Fri, Jul 10, 2026

  100 Miles Run

  Greene Street, San Juan County, Colorado, 81433, United States
  OpenStreetMap Google Maps
• Silverton Alpine Runs [aravaiparunning.com] [Register at ultrasignup.com] - Facebook - Instagram
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  Sat, Jul 18, 2026

  50k Marathon Run Ultra

  San Juan County, Colorado, United States
  OpenStreetMap Google Maps
• Kendall Mountain Run [aravaiparunning.com] [Register at ultrasignup.com] - Facebook - Instagram
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  Sun, Jul 19, 2026

  11k Run

  12th & Greene Street, San Juan County, Colorado, 81433, United States
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• Silverton Ultra Dirty [finishers.com] - Facebook - Instagram
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  Mon, Aug 03, 2026

  Description

  🗺 Silverton Ultra Dirty is the sporting event you need to mark on your race calendar in the United States 🇺🇸, taking place in Silverton.

  Run Trail Ultra

  San Juan County, Colorado, United States
  OpenStreetMap Google Maps