Hmm...I haven't played Mario Kart in forever. Perhaps I should pull out my DS and try TTing some more.
Here are my records as of January this year, all non-PRB.
Figure-8 Circuit 1'20"911
Yoshi Falls 0'53"586
Cheep Cheep Beach 1'37"573
Luigi's Mansion 1'46"074
Desert Hills 1'21"598
Delfino Square 1'44"408
Waluigi Pinball 2'13"967
Shroom Ridge 1'54"633
DK Pass 2'02"006
Tick Tock Clock 1'48"261
Mario Circuit 1'42"938
Airship Fortress 1'56"152
Wario Stadium 2'10"929
Peach Gardens 1'40"521
Bowser Castle 2'07"937
Rainbow Road 2'10"012
Retro Mario Circuit 1 0'46"702
Retro Moo Moo Farm 1'11"405
Retro Peach Circuit 1'01"1468
Retro Luigi Circuit 1/MKDD 1'21"501
Retro Donut Plains 1 1'02"792
Retro Frappe Snowland 1'53"698
Retro Bowser Castle 2 1'43"142
Retro Baby Park 0'45"941
Retro Koopa Beach 2 0'47"9788
Retro Choco Mountain 2'01"101
Retro Luigi Circuit 2/MKSC 1'33"258
Retro Mushroom Bridge 1'18"862
Retro Choco Island 2 0'57"063
Retro Banshee Boardwalk 2'00"446
Retro Sky Garden 1'21"831
Retro Yoshi Circuit 1'38"818
And heres my mk64 profile:
http://www.mariokart64.com/mkds/profile.php?pid=623