Prior to Arkansas
Sansores represented Mexico at the 2015 FINA Junior World Championships in Singapore and at the 2017 FINA World Championships in Indianapolis. In Singapore, the sprinter swam to a 49th-place showing in the 50 free, 42nd in the 50 back and 43rd in the 50 fly. This past summer in Indianapolis, she set a personal best in the 50 free (23.28) with a 34th-place finish, improved to 29th in the 50 back and touched 36th in the 100 back. Her other personal bests include a 52.23 mark in the 100 free and 57.13 in the 100 back.