[1][2] She represented Puerto Rico at the World Cup of Softball, and won a gold medal at the 2023 Central American and Caribbean Games.

[4][5] Alvelo made her college softball debut for Washington on February 12, 2016, throwing a complete game in a 10-3 shutout of No.

She only made one appearance in each of the Huskies' final two regular-season series, and only threw three innings at the 2018 Seattle Regional.

[19] Alvelo came out of the bullpen in Washington's first two games at the 2018 Women's College World Series, before taking the ball to start against No.

Throwing another complete-game shutout, she struck out six Sooners to send the Huskies to the National Championship.

[21] Coming into her senior season, Alvelo ranked seventh all-time in UW history with 595 strikeouts.

[23] Later that day, Alvelo started against Oklahoma State and struck out 16 in a 1-0 shutout, the most by a UW pitcher at the WCWS.

[24] In Washington's 10-inning loss to UCLA in the semifinals, Alvelo threw three innings of relief before giving Plain the ball back.

On April 16, 2019, Alvelo was selected eighth overall in the 2019 NPF Draft by the Aussie Peppers of the National Pro Fastpitch league.