Highest note whistled
Who
Joshua Lockard
What
10,599 hertz hertz(es)
Where
United States (Southlake)
When

The highest note whistled is 10,599 Hz, and was achieved by Joshua Lockard (USA) in Southlake, Texas, USA, on 1 May 2019.

Joshua wanted to prove that he was the best in the world at whistling a high note, and achieve the Guinness World Record title on 1 May 2019.