Ok I'll start one here, I got 23763 on track #665 :)

42,992 on track #665

Damn. I keep falling into this weird visual trance after about 4000 where I can't focus on the ball anymore and it ends up in the periphery of where I'm looking.

Playing that game reminded me of the level of concentration I needed to beat the levels in Battletoads in Battlemaniacs on the SNES. (I never played the NES version.)

Yeah it's old school difficult. But I'm going to take the suggestion above and make the beginning easier for longer.