Dizzy Horse Backyard Ultra

Dizzy Horse Backyard Ultra

Dizzy Horse is a winter backyard ultra held in Idaho Falls on January 8, 2027. The format requires runners to complete a 4.167 mile loop every hour; the event continues hour by hour until only one competitor completes a loop more than any other.

The course is a mixed surface loop that starts near the Bonneville County Fairgrounds and passes through Sandy Downs Park. Surfaces include desert, grass, a horse-race track and an abandoned horse track, gravel road, small sections of asphalt, sand dunes and canal-side footing. Each lap gains about 50 feet of elevation. Water is available at the two-mile mark on the loop.

All participants have access to a general indoor transition area. An upgrade offers a reserved 10 by 10 foot indoor space for personal crew gear. The basic aid station provides water; a Deluxe Aid Station upgrade offers a wider variety of food on a published schedule and separate access windows for non-runners who purchased food tickets.

Key rules include mandatory presence in the starting corral at the top of the hour, no late starts, no pacers or personal aid while on course, no artificial aids including trekking poles, and no non-competitors on the course. Loops are not officially timed; results are based on completed loops, and the last person to complete a loop is declared the winner. The event is a Bronze qualifying backyard ultra with qualifying entry implications for winners on odd years. Visit the organization's website for the most recent information.

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