To run the gamut means to cover or extend across a wide range, which is what happened with speakers whacky behavior that didn't alarm her.
Context: "Although, i'd never had a nerf fight in the house, my whacky behavior had been varied and extended across a wide range so she wasn't alarmed." Claim: "Although, i'd never had a nerf fight in the house, my whacky behavior had run the gamut so she wasn't alarmed."
Considering the context, is the claim true, false, or unknown?