Sega Daytona Championship USA Owner's Manual page 46

Time Lap Mode
Time Lap mode is available in Single Player only. In this mode, only the player will be racing around the track,
competing to set the fastest possible lap time.
8
The player must reach checkpoints to extend the timer. If the player does not reach a checkpoint in time, the race will
end.
If the player receives a high score upon completing the track, they will be prompted to enter a three letter name at the
name entry screen. This will then be displayed on the attract menu when the high scores for the relevant tracks are
shown.
38