• UFC Fight Night(2/28/26) Chiasson lost a three round unanimous decision to Ailin Perez
• UFC 320(10/4/25) Chiasson lost a three round unanimous decision to Yana Santos
• UFC on ESPN(5/31/25) Chiasson lost a three round unanimous decision to Ketlen Vieira
• UFC 303(6/29/24) Chiasson defeated Mayra Bueno Silva via TKO (doctor stoppage) at 1:58 of the second round
• UFC Fight Night(3/16/24) Chiasson submitted Pannie Kianzad via rear naked choke at 3:54 of the first round
• UFC 279(9/10/22) Chiasson was knocked out by Irene Aldana at 2:21 of the third round
• UFC 274(5/7/22) Chiasson won a three round split decision over Norma Dumont
• UFC Fight Night(12/18/21) Chiasson was submitted by Raquel Pennington via guillotine choke at 3:07 of the second round
• UFC on ESPN(3/20/21) Chiasson won a three round unanimous decision over Marion Reneau
• UFC Fight Night(2/15/20) Chiasson won a three round unanimous decision over Shanna Young
• UFC Fight Night(9/28/19) Chiasson lost a three round unanimous decision to Lina Lansberg
• UFC Fight Night(5/4/19) Chiasson stopped Sarah Moras via strikes at 2:22 of the second round
• UFC 235(3/2/19) Chiasson stopped Gina Mazany via strikes at 1:49 of the first round
• TUF 28 Finale(11/30/18) Chiasson submitted Pannie Kianzad via rear naked choke at 2:11 of the second round to win the TUF 28 featherweight title
• The Ultimate Fighter, Season 28
• On episode 12 (semifinals), Chiasson stopped Leah Letson via strikes in the first round
• On episode eight (quarterfinals), Chiasson stopped Larissa Pacheco via strikes in the first round