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