Colorado · Backyard Ultra: 4.167-mile timed hourly loop · run until one finisher remains

Grand Valley Backyard

Grand Valley Backyard is a Backyard Ultra: 4.167-mile timed hourly loop and run until one finisher remains event held in Loma, Colorado. Its next confirmed date is Saturday, October 2, 2027.

Race day
October 2, 2027
Location
Loma, CO

Race details

Date
Saturday, October 2, 2027
Location
Loma, Colorado
Distances
Backyard Ultra: 4.167-mile timed hourly loop, run until one finisher remains
Course
500 ft gain
Registration
ultrasignup.com
Official website
ultraversesupplements.com

Registration, course & weather

Start time
8:00 AM MDT
Course profile
Loop course; Mostly trail, some road; 500 ft gain (official course data); Not USATF certified

About the Grand Valley Backyard

Grand Valley Backyard is an inaugural (2026) last-person-standing backyard ultra held at the 18 Road trailhead north of Fruita, Colorado. Runners repeat a 4.167-mile singletrack/doubletrack loop with about 500 ft of climbing every hour until only one competitor can complete another lap.

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Grand Valley Backyard: common questions

When is the Grand Valley Backyard?
The next confirmed date is Saturday, October 2, 2027.
Where is the Grand Valley Backyard held?
In Loma, Colorado.
What distances does the Grand Valley Backyard offer?
Backyard Ultra: 4.167-mile timed hourly loop and run until one finisher remains.
How do I register for the Grand Valley Backyard?
Registration is handled by the organiser at ultrasignup.com. Entry fees, caps and deadlines are set there.
What time does the Grand Valley Backyard start?
8:00 AM MDT.
What is the course like at the Grand Valley Backyard?
Loop course; Mostly trail, some road; 500 ft gain (official course data); Not USATF certified.