Are there any rules in a Backyard Ultra?

Question

Accepted Answer

Yes — Backyard Ultras follow a strict set of rules to keep the format fair and consistent across the world. Here’s a summary of the key ones:

1. The Course
• Must be a loop or out-and-back route
• Exactly 4.167 miles (6.7056 km)
• Same loop is used throughout the event

2. Starting Corral
• All runners must be in the corral when the bell rings
• The size of the corral stays the same for the entire race

3. Start Timing
• Each yard starts exactly one hour after the last
• Warnings are given at 3, 2, and 1 minute before the start
• You must start at the bell — no late starts allowed

4. On the Course
• You may only leave the course to use the toilet
• No pacers, no outside support, and no eliminated runners on course
• No artificial aids (including trekking poles, bikes, scooters, etc.)
• Slower runners must allow others to pass

5. Timing
• Timing is optional — it’s all about surviving the hour

6. Winner / Results
• The winner is the last person to complete a yard
• All others are DNFs
• If no one completes a loop beyond the others, there is no winner

7. No Cap
• There’s no time or loop limit — the race continues until only one remains

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