As Funny guy mentioned, I started that doc a while back to make some comparisons. I was really the only person with interest so I just threw it together and I didn't really try to make all the number make sense to others, but I basically spent a few hours noting all the times from when the player pressed A to progress before and after each race.

The figures should be pretty accurate, I spent many hours pausing, rewinding, recording, etc. I didn't' complete them all because 1: trends 2: accuracy. IIRC I didn't know anyone with on screen times etc for digital to compare the PAL and NTSC besides Mary's. I'm not convinced that there's much of a difference between them. However, Toshiki's is noticeably faster at loading, despite being a disc copy as well. I was informed that the JPN WiiU has a faster disc reader, which makes sense to me and would explain it.

Here's a quick breakdown of the overall load times for each version, on a traditional 48 track run (original tracks then DLC, & watching the ceremony):

SSD: ~7:17 Digital: 9:16 Disc(JPN): 9:48 Disc(PAL): 10:27 Disc(NTSC): ?? (I'm assuming close the the PAL time, everything I've checked have been very similar)

¤Should note that the SSD times will have the most variance due to the many available SSD's that can be used. Also someone could swap their HDD for another which is faster as well.

If anyone has any questions or would like more info, contacting me through discord is probably your best bet.