These are my current best scores for the Koopa the Quick races, the Princess's Secret Slide, and other various challenges. Scores in orange are current known world records.
FOOTRACE WITH KOOPA THE QUICK
My Record: 0'16"0
Date accomplished: August 16, 2005
Video available (0'16"0) by Curtis Bright
KOOPA 1 RACE WITHOUT WING CAP, CANNON OR WARP
My Record: 0'19"4
Date accomplished: August 2, 2003
KOOPA 1 RACE WITHOUT WING CAP OR CANNON (WITH WARP)
My Record: 0'18"6
Date accomplished: November 18, 2004
Video available (0'18"6) by Curtis Bright
REMATCH WITH KOOPA THE QUICK
My Record: 0'10"3
Date accomplished: July 23, 2005
Video available (0'10"3) by Curtis Bright
KOOPA 2 RACE WITHOUT SHELL
My Record: 0'15"2
Date accomplished: August 11, 2003
KOOPA 2 RACE REGULAR ROUTE (NO SHORTCUTS)
My Record: 0'15"6
Date accomplished: July 31, 2003
Video available (0'15"6) by Curtis Bright
THE PRINCESS'S SECRET SLIDE
My Record: 0'12"3
Date accomplished: May 19, 2006
Video available (0'12"3) by Curtis Bright
SECRET SLIDE WITHOUT SHORTCUTS
My Record: 0'19"5
Date accomplished: November 18, 2004
SECRET SLIDE WITH ALL 80 COINS
My Record: 0'20"5
Date accomplished: April 4, 2003
TOTAL COINS IN THE MAIN COURSES
My Record: 2219 (with money bags glitch) or 2091
Date accomplished: November 16, 2004 / October 2002
TOTAL COINS IN THE MAIN COURSES WITHOUT CAPS OR CANNONS
My Record: 2187 (with money bags glitch) or 2039
Date accomplished: November 16, 2004 / April 9, 2003
TOTAL STARS WITHOUT CAPS OR CANNONS
My Record: 114 (with the Chuckya glitch)
Date accomplished: January 24, 2006
Video available (114th star) by Curtis Bright
TOTAL STARS WITHOUT ANY COINS
My Record: 78 (counting Pyramid Puzzle)
Date accomplished: August 21, 2005
Video available (77th star) by Curtis Bright
Video available (78th star) by Curtis Bright
TOTAL TIME TO GET 70 STARS AND BEAT BOWSER
My Record: 1:14'28" (SDA timing)
Date accomplished: January 10, 2005