Longest continuous crawl

The longest continuous voluntary crawl (progression with one or other knee in unbroken contact with the ground) is 56.62 km (35.18 miles), by Arulanantham Suresh Joachim (Canada, b. Sri Lanka) who completed laps of a circuit 20.1 m in circumference outside the Queen Victoria building, Sydney, New South Wales, Australia on 18–19 May 2001.