Result
Ketlen VieiraDecision (unanimous)
MethodDecision (unanimous)
RoundR3
Time5:00
Time format(5-5-5)
RefereeMark Smith
Details(30–27, 29–28, 29–28)
Elo swing+16Ketlen Vieira (1650 → 1666)-16Macy Chiasson (1659 → 1643)
DateMay 31, 2025
DivisionWomen's Bantamweight
StatusCompleted
VenueUFC APEX
BroadcastESPN+
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W
Fenomeno | 16-6-0Ketlen Vieira
L
10-6-0Macy Chiasson
Ketlen Vieira vs Macy Chiasson
Method :Decision (unanimous)
Round :R3
Time :5:00
Time format :(5-5-5)
Referee :Mark Smith
Details :(30–27, 29–28, 29–28)
Ketlen Vieira
Elo1663Good
3Y trend1650 → 1663
Fight Overview
RoundR3
Time5:00
MethodDecision (unanimous)
Macy Chiasson
Elo1613Solid
3Y trend1639 → 1613
What changed?
Checked daily by Combat Edge. Times show when we recorded an update, not when it was announced.
Combat Edge Intelligence
Fight Intelligence
Ketlen Vieira won this fight by Decision (unanimous) in round R3 at 5:00. Ketlen Vieira led more tracked fight-stat categories from the recorded round totals. Attempt-rate stats such as 1 of 4 takedowns require attempt fields from the legacy API before Combat Edge can calculate them accurately.
Compare Ketlen Vieira and Macy Chiasson across their careers →Elo Recent career Elo trajectory
Recent three-year Elo paths for both fighters. Ratings shown here are current career context; the event-specific prediction or verified result remains on this Fight page.
Ketlen VieiraMacy Chiasson
Elo edge
Ketlen Vieira1663-8 last move
Macy Chiasson1613-14 last move
Why they are ranked here
Ketlen Vieira#2 of 4 active Women Featherweight fighters · 1663 Elo
- Biggest gain
- Beat Miesha Tate (rated 1667 at the time): +27.
- Costliest loss
- Lost to Yana Santos (rated 1646 at the time): -24.
- Last 5 fights
- 2 wins, 3 losses, +2 Elo in total.
- Next places
- 199 points behind #1 Cris Cyborg, 34 ahead of #3 Sara Collins.
Macy Chiasson#27 of 62 active Women Bantamweight fighters · 1613 Elo
- Biggest gain
- Beat Shanna Young (rated 1594 at the time): +23.
- Costliest loss
- Lost to Raquel Pennington (rated 1623 at the time): -31.
- Last 5 fights
- 2 wins, 3 losses, -5 Elo in total.
- Next places
- 0 points behind #26 Luana Carolina, 3 ahead of #28 Klaudia Syguła.
Every rated fight moves a rating by an amount set by the opponent's rating at the time, the result and how it ended. Places are counted among fighters active in the last 24 months. How the rating is calculated
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Recorded fight totals
Ketlen VieiravsMacy Chiasson
Control time
10:06vs0:33
Total strikes
106vs52
Sig. strikes
28vs22
Finishing profile
Ketlen Vieiradecision leads 63% of wins
Macy Chiassondecision leads 40% of wins
Common opponents
Yana SantosKetlen Vieira: loss · Decision (Unanimous) · Feb 20, 2021Macy Chiasson: loss · Decision (Unanimous) · Oct 4, 2025
Pannie KianzadKetlen Vieira: win · Decision (Unanimous) · Jul 22, 2023Macy Chiasson: win · Submission (Rear Naked Choke) · Mar 16, 2024
Yana SantosKetlen Vieira: loss · Decision (Unanimous) · Feb 20, 2021Macy Chiasson: cancelled · Cancelled Bout · Jul 1, 2023
Round stats
Ketlen Vieira vs Macy Chiasson is a completed Women's Bantamweight fight from UFC FIGHT NIGHT : BLANCHFIELD VS BARBER. Ketlen Vieira defeated Macy Chiasson by Decision (unanimous) in round R3 at 5:00. Combat Edge lists the result, records, fight stats, Elo context, and links to both fighter profiles.
Ketlen Vieira vs Macy Chiasson quick answers
Who won Ketlen Vieira vs Macy Chiasson?
Ketlen Vieira won Ketlen Vieira vs Macy Chiasson by Decision (unanimous) in round R3 at 5:00.
What event is Ketlen Vieira vs Macy Chiasson on?
Ketlen Vieira vs Macy Chiasson is listed on UFC FIGHT NIGHT : BLANCHFIELD VS BARBER.
What are the records for Ketlen Vieira vs Macy Chiasson?
Ketlen Vieira enters with a 16-6-0 record and Macy Chiasson enters with a 10-6-0 record.
What division is Ketlen Vieira vs Macy Chiasson?
Ketlen Vieira vs Macy Chiasson is listed as a Women's Bantamweight fight.
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