21st Annual Reece's Roundup 5K & 1 Mile Walk
The 21st Annual Reece's Roundup: a 5K + 1 Mile Walk at Miller Park in Castle Rock on Aug 8, 2026, for the Reece Rubino SMA fund. 7-11 AM.
Saturday, August 8, 2026
7:00 AM - 11:00 AM
$40-$45
About This Event
The 21st Annual Reece's Roundup is a Castle Rock summer running tradition — a 5K and a 1 Mile Walk at Miller Park on Saturday, August 8, 2026, from 7 to 11 AM. It's put on by Run to Change Lives, the same nonprofit behind the July 4th Rock-It Run, and benefits the Reece Anthony Rubino Benefit Fund, supporting Reece Rubino and others living with spinal muscular atrophy (SMA). 5K registration is $45; the 1 Mile Walk is $40. Register at runtochangelives.org/reecesroundup.
About the Venue
Miller Park
Expansive 320-acre public park in Castle Rock with trails, adventure playground, picnic shelters, and diverse outdoor amenities.
★ 4.8 (1105 reviews)
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