Grand Valley Backyard

Grand Valley Backyard

Grand Valley Backyard is a Backyard Ultra event organized by Ultraverse Supplements in Loma, Colorado, at the 18 Road trail system. The format uses a repeating 4.17 mile loop that all remaining runners start together each hour. Runners must finish each loop within the hour to continue; the event continues until only one runner completes a final loop.

The course is mostly singletrack with some doubletrack and contains no pavement. Each loop has about 500 feet of elevation gain, with most climbing occurring in the first half. The route is described as runnable and non-technical.

Runners receive a custom finisher buckle for completing at least one loop; additional race swag includes a tri-blend race shirt, an Ultraverse race sticker, and a drawstring bag. Water and Proxima C Endurance Fuel are provided on course; runners are responsible for any additional food, nutrition, and supplies.

Crew members are permitted with a limit of three people per runner. Each runner may use up to a 10' x 10' space near the start and finish for a personal setup; pop-up canopies up to 10' x 10' are allowed and must be secured. No electrical service is available; battery power stations are allowed, gas generators are not permitted in the crew area. Cooking is allowed within crew areas while following local fire restrictions.

Registration closes September 25 at 11:59 PM MT. The event policy includes a tiered registration credit schedule and a no refund, no bib transfer rule. Visit the organization's website for the most recent information.

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