You must meet the first times to get tt's ghost, 
then u must beat his record time in all 20 courses 
with the selected vehicle. 

 Board                To Meet TT   To Beat TT 
 Ancient Lakes         1:07.00      1:01.28 
 Fossil Canyon         1:37.00      1:30.18 
 Jungle Falls          1:08.00      1:02.50 
 Hot Top Volcano       1:35.00      1:30.71 
 Everfrost Peak        1:53.00      1:48.00 
 Walrus Cove           2:10.00      2:06.28 
 Snowball Valley       1:13.00      1:06.41 
 Frosty Village        1:44.00      1:39.40 
 Whale Bay             1:19.00      1:13.11 
 Crescent Island       1:39.00      1:33.16 
 Pirate Lagoon         1:34.00      1:28.56 
 Treasure Caves        1:10.00      1:05.63 
 Windmill Plains       2:22.00      2:13.13 
 Greenwood Village     1:46.00      1:40.61 
 Boulder Canyon        2:11.00      2:02.35 
 Haunted Woods         1:22.00      1:09.51 
 Spacedust Alley       2:12.00      2:06.16 
 Darkmoon Carverns     2:20.00      2:12.05 
 Spaceport Alpha       2:16.00      2:09.03 
 Star City             2:07.00      2:01.45