Most water balloons filled in one minute
Who
Gideon Malone
What
9 total number
Where
United States (Plano)
When

The most water balloons filled in one minute is 9 balloons, achieved by Gideon Malone (USA), in Plano, Texas, USA, on 2 July 2016.

Malone was 12 years old at the time of the attempt.