Phase 1: 49.960 – from   10.100 to 1:00.060
Phase 2: 10.540 – from 1:15.400 to 1:25.940
Phase 3: 46.260 – from 1:44.480 to 2:30.740
Phase 4: 39.780 – from 2:48.480 to 3:28.260

I'm starting to remember why a few years ago I drop speedrunning the Mega Drive version... But the fuse to optimize all missions is still there.