Here is the full list of all 18 Not Without My Poop achievements.
LEVEL 12
100KM
LEVEL 11
LEVEL 10
50KM
LEVEL 9
LEVEL 8
LEVEL 7
10KM
LEVEL 6
LEVEL 5
LEVEL 4
LEVEL 3
5KM
LEVEL 2
2KM
LEVEL 1
1KM