Course
A last-one-standing backyard ultra held at Archallagan Plantation on the Isle of Man. Runners set off on the hour, every hour, from 12pm to complete a 4.167-mile loop, and must finish each yard within the hour to start the next. The race ends when one runner remains.
Key dates
- ★Race dayOctober 2027 · date to be announced
About
The Isle of Man Backyard Ultra is a last-one-standing race held at Archallagan Plantation. Runners set off together every hour, on the hour, to complete a 4.167-mile loop, and must finish inside the hour to start the next one. The race ends when a single runner remains.
Save Isle of Man Backyard Ultra Event 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.