Phil Gore completed 152 laps in a backyard ultra, falling short of his goal of 168 laps. He ran 1,019.3 km in six days, raising over A$280,000 for charity. Gore's solo run did not qualify as an official world record.

The backyard ultra requires participants to run a 6.7 km loop every hour. Gore aimed to run for 168 hours, but he stopped at 152 hours. His performance set a new benchmark for human endurance, though not officially. Read more culture coverage.

Gore managed sleep by running faster laps to fit in naps. Despite not reaching his goal, his effort was a remarkable test of endurance. He plans to compete in the 2026 world championships. Related: Dauwalter and Bouillard Withdraw from 2026 UTMB.

This original Runner World brief is based on reporting from Canadian Running. Visit the source for its complete reporting, context and any later corrections.