The fastest completion times recorded on Aquania (v1.61) by CTGP-Revolution users as of 2024-02-25 07:26 UTC. There are 3 unique players represented across 12 records. The CTGP-Revolution track ID for this course is SLOT0F-92CE306A56EDE0DBC49336A055D5D69766EAC02B.
This is a custom track by SpyKid. The special slot ID used for this course is 0x0F and so the correct My Stuff file name for this track would be water_course.szs. The track may be available for download from Wiimm's CT archive at ct.wiimm.de/i/92CE306A56EDE0DBC49336A055D5D69766EAC02B.