ShamROCK Stampede 5K & 10K

Castle Rock, Colorado, United States

Mar, 2027 (TBD)

5k, 10k, Fundraiser

Video

Race Information

The Annual ☘️ShamROCK Stampede for PTSD☘️ includes a 5k and 10k, a FREE Kid’s 1k, and a Back to Health Expo & FREE Public Concert. The 10K race is also the RRCA Colorado State Championship Race. 

Run To Change Lives' mission is to elevate the celebration of St. Paddy’s Day by increasing awareness and raising funds for organizations that help veterans, first responders, and others break free from PTSD and mental illness.

Elevation & Celebration: The Denver Summer Bundle is Here! 

💸 Save 25% When You Bundle!

3 Months. 3 Races. Your Ultimate  Summer Challenge.

Denver runners, it’s time to take your summer to new heights! Registration is officially open for the Denver Summer Bundle—the best way to stay motivated and active all summer long.

The 2026 Denver Lineup:

  • 🔥 July 11: Heatwave | 5k, 10k, Half, & Relay
  • ☀️ August 8: Summer Sizzler | 5k, 10k, & 15k
  • 🌾 September 5: Golden Harvest | 5k, 10k, & Half

The Summer Bundle ☀️ is built for those who want the best value and a consistent summer goal. One registration gets you into all three races with a massive 25% discount! Prefer to take it one month at a time? No problem, individual race registration is open.

Lock in your summer goals today, secure your savings, and let’s show the Mile-High City what we’re made of!

Bundle & Save 25%

 

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Race Facts

Race Size: 500 - 1,000

Elevation: Some Hills

Course Type: Trail

Boston Qualifier: No

Kids Run: Yes

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