Most speeches in 24 hours
Who
Brryan J.R. Jackson
What
24 total number
Where
United States (Saint Louis)
When

The most speeches in 24 hours is 24, and was achieved by Brryan Jackson (USA) in St. Louis, Missouri, USA, from 28 to 29 April 2016.

Brryan dedicated his attempt to his hometown, St. Louis.