Hey man, welcome to the PP forum, great to have you here.
The answer to this is very simple, at one point you probably took a rather easy shortcut on rdp3, an example of which can be found here:
Basically in an effort to create a competitive environment in the game where tracks are played mostly as the were designed, a set of Non-SC rules were created back in 2006, they can be found here:
http://www.mariokart64.com/mksc/rules.phpTo compare your above dp3 time to others, take a look at this thread (which differentiates between Shortcuts that skip a lap by hitting a wall in a precise position, and everything else) -
http://www.mariokart64.com/cgi-bin/yabb2/YaBB.pl?num=1152268445and/or take a look at the PP SC leaderboard:
http://www.mariokart64.com/mksc/coursep.php?cid=71Hope you stick around! Submit your 80 times to the Players Page site to see how you rank, and if you want to join our discord to chat with us in real-time, just let one of us know