I liked a number of the transitions between ideas, and how one flowed naturally into the next. 25:08 was great how the arpeggios dissolved into a trill with lines below and above.
Improvisation can take us places we did not consider before starting to play. You seemed to have an awareness of where the music wanted to go, as it has an overall flow to it. Were you aiming for a particular length of music before you started to play?