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8th Annual ☘️ShamROCK Stampede 5k & RRCA 10k State Championship☘️

location_on

Castle Rock, Colorado, United States

calendar_today 14 Mar, 2026

directions_run Running

language Official Website

sell $43.00

About the Event

8th Annual ☘️ShamROCK Stampede☘️ Presented by Einstein Bros. Bagels

Lucky 10K, 5k, FREE Kid’s 1k, Back to Health Expo & FREE Public Concert

To register for the race, visit and sign up at the official race page here: www.runtochangelives.org/shamrockstampede

ShamROCK Stampede’s mission is to elevate the celebration of St. Paddy’s Day with a family-friendly walk/RUN and Irish-themed festival to increase awareness and raise funds for organizations that help our veterans, first-responders, and others break free from PTSD and find mental wellness. All proceeds benefit the It's A Calling Foundation and Live Free Association.

You are CHANGING LIVES when you register for the ShamROCK Stampede. Whether you are a serious runner or a leisurely walker, bring the whole family and join the fun on Saturday, March 14th.

Races Offered

RRCA State Championship 10K

Mar 14, 2026

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Distance — 10K

terrain

Type — Running

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10:00

sell

$43.00

5K

Mar 14, 2026

straighten

Distance — 5K

terrain

Type — Running

timer

10:15

sell

$43.00

FREE 1k Kid's Dash

Mar 14, 2026

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Distance — 1K

terrain

Type — Running

timer

11:00

sell

$0.00

Weather Overview

These values represent the 3-year monthly averages for March in Castle Rock.

Temp (°C)

Feels Like (°C)

thermostat -5.0° / 11.1°

wb_sunny -9.7° / 6.0°

Wind (km/h)

Humidity (%)

air 10.1 /

water_drop 54.7%

Temp (°C)

Feels Like (°C)

Wind (km/h)

Humidity (%)

thermostat -5.0° / 11.1°

wb_sunny -9.7° / 6.0°

air 10.1 km/h

water_drop 54.7%

About Castle Rock

Castle Rock is a town of about 81,000 in the Denver Metropolitan Area of the western U.S. state of Colorado. The seat of Douglas County, the town lies 26 miles (42 km) south-southeast of Denver.