Mushroom Bridge (aka MB) is Mario Kart: Double Dash!!'s fifth course, and Flower Cup's first course.
3 Lap
Strat here.
Fast Lap
Strat here.
Videos
60Hz 3lap 1:19:551 by (Alejandro Hernandez) 1 lap 25:943 by (Trystan Pugh)
World Records and Best Splits
50Hz 3lap: 1'18"789, God+3 by Vincent van der Fluit
50Hz Flap: 25"745, God+3 by Vincent van der Fluit
60Hz 3lap: 1'18"972, God+1 by Olivier Peruch
60Hz Flap: 25"859, God+1 by Marius Moritz Mollenhauer
Best splits: xx"xxx, xx"xxx, xx"xxx = x'xx"xxx