use Micro DS drift for the left-hander before start/finish

Tap DS for the first right corner

the road into the sewer try to drive in the middle to get a small jump boost

pass the pillar on the left

jump outside of sewer and try to land to the right

use right sidewalk to help DS through the next left

when road first splits, drive straight ahead

next road split you can either Tap DS the first left or continue straight and Tap DS the left at end of road (both routes have similar times)

last corner use Micro DS drift

first right corner use Micro DS drift to stay as close as possible on the inside

when road splits use the right lane

continue the road and take the last right corner at the end of it with a small Micro DS drift

the left-right before sewer drive into the corner staying as much left as possible and then use DS to the right to get out of it

in sewer stay right of the pillars

use Tap DS for the last left before start/finish