It began on April 21, 2024, in San Diego, and concluded on October 31, 2024, in Dublin, comprising 31 shows across North America, Europe and Oceania.

[3] To support the album, McAlpine announced her second concert tour, the Older Tour, via social media two days later, along with its first set of dates through cities in the United States, Canada, Belgium, the Netherlands, Germany, France, the United Kingdom, and Ireland.

[8] On the former date, second shows were added in Philadelphia, Washington, New York City, Boston, and Los Angeles.

[5] She has said that Five Seconds Flat and the tour were modeled after a more traditional pop album and concert, but that it did not feel like her and ultimately was difficult to perform.

Depending on the song being played, she sometimes joins the band with her guitar, or moves to share the piano bench with Taylor Mackall, the album's pianist.