[2][3] In 2015, her junior year, she won the 800 m at the Brooks PR Invitational in 2:04.00 and the Dream Mile at the Adidas Grand Prix in New York City.

[8] Joining the Stanford Cardinal track and field and cross country teams for the 2016–17 season, Aragon took second at the Pac-12 Championships in the 800 m and qualified for the NCAA final in the 1500 m, placing seventh.

[10] After redshirting the 2018–19 cross country and track and field seasons, Aragon qualified for the 2020 NCAA Indoor Championships, which was later cancelled.

[14] On September 19, 2022, Aragon announced she had signed professionally with Nike and joined the Bowerman Track Club, under coaches Jerry Schumacher and Shalane Flanagan.

[15] In 2023, her first professional season, she failed to qualify for the final in the 1500 m at the USA Track and Field Championships, placing sixth in her heat in July.