The band initially started as a solo project of Smit, who frequently asked different people to play along on stage. Currently, Smit is the only permanent member of the group, and his fellow band members rotate between artists who are part of, among others,
Pip Blom, Bull, Home Counties, The Klittens, Global Charming, Canshaker Pi, and Steve French. In 2020, Personal Trainer performed at
Eurosonic Noorderslag in
Groningen. In 2021, the band played continuously for 24 hours in
Paradiso Amsterdam. They have furthermore performed at major Dutch festivals, such as
Down the Rabbit Hole,
Best Kept Secret, and
Into the Great Wide Open. In December 2023 it was announced that the band had signed to the
Bella Union label. In July 2024, the band released their second album
Still Willing. == Line up (2023 tours) ==