Course
4.167 Mile Loop4.2 mi
Key dates
- ★Race daySeptember 2027 · date to be announced
Provisional date, projected from last year — the organiser has not announced this edition yet. We show the month only.
About
Broken Anvil Backyard Ultra is a last-runner-standing event in West Point, Iowa, where competitors repeat a 4.167-mile loop every hour until only one remains able to continue. It is one of the toughest formats in ultrarunning.
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Save Broken Anvil Backyard Ultra to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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Save Broken Anvil Backyard Ultra to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.