Idaho · Backyard Ultra (4.167 mi loops)
Dizzy Horse, A Winter Backyard Ultra
Dizzy Horse, A Winter Backyard Ultra is a Backyard Ultra (4.167 mi loops) event held in Idaho Falls, Idaho. Its next confirmed date is Friday, January 8, 2027. About 720 runners take part across all distances.
- Race day
- January 8, 2027
- Location
- Idaho Falls, ID
- Field size
- ~720 runners
Race details
- Date
- Friday, January 8, 2027
- Location
- Idaho Falls, Idaho
- Distances
- Backyard Ultra (4.167 mi loops)
- Field size
- About 720 runners
- Registration
- runsignup.com
- Official website
- trail2sparta.com
Registration, course & weather
- Registration status
- Open
- Start time
- 10:00 AM MST
- Course profile
- Loop course; Mostly trail, some road
About the Dizzy Horse, A Winter Backyard Ultra
Dizzy Horse is a winter backyard ultra hosted at the Bonneville County Exhibition Hall and Sandy Downs Park in Idaho Falls, ID. Starting at 10:00 AM, runners repeat a 4.167-mile loop every hour until only one "Last Horse Standing" remains, with a heated indoor transition area and optional deluxe aid station.
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Dizzy Horse, A Winter Backyard Ultra: common questions
- When is the Dizzy Horse, A Winter Backyard Ultra?
- The next confirmed date is Friday, January 8, 2027.
- Where is the Dizzy Horse, A Winter Backyard Ultra held?
- In Idaho Falls, Idaho.
- What distances does the Dizzy Horse, A Winter Backyard Ultra offer?
- Backyard Ultra (4.167 mi loops).
- How many people run the Dizzy Horse, A Winter Backyard Ultra?
- About 720 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the Dizzy Horse, A Winter Backyard Ultra?
- Registration is handled by the organiser at runsignup.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Dizzy Horse, A Winter Backyard Ultra?
- Yes — registration is open. $55 (from runsignup.com, checked October 6, 2026).
- What time does the Dizzy Horse, A Winter Backyard Ultra start?
- 10:00 AM MST.
- What is the course like at the Dizzy Horse, A Winter Backyard Ultra?
- Loop course; Mostly trail, some road.
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