New York City, New York, United States / July 7, 2012
Tony Duncan completed 24 successful top-of-head rolls in under one minute while walking down four flights of stairs.
- must balance ball on top of head for duration of attempt
- must walk down four flights of stairs without stopping for more than five seconds
- must get to the bottom landing within one minute
- must do at least two head rolls on each flight
- head roll must be from one spot on top of head to another spot on top of head more than two inches apart
- must provide video evidence