Mackenzie Dern, head-and-shoulders portrait

Mackenzie Dern

Women's Strawweight
BJJ ace
Record Record: 17-5-0
Wins
17
Losses
5
Draws
0
0KO/TKO
8Sub
9Dec
View full record ↓

Vitals

Height, reach, and career background.

Age33
Height1.63 m
Reach160 cm
NationalityUnited States
TeamMegaton Dias BJJ
Weight classWomen's Strawweight
Active2016-present

Record

Tap any fight for the breakdown.

WinDEC
Opponent: Gillian RobertsonunanimousR5 5:00
UFC 330
15 Aug 2026
WinDEC
Opponent: Virna JandirobaunanimousR5 5:00
UFC 321
25 Oct 2025
WinSUB
Opponent: Amanda RibasarmbarR3 4:56
UFC Fight Night: Dern vs. Ribas 2
11 Jan 2025

Dern got her revenge on Ribas in the rematch by staying dangerous late and finding the armbar with almost no time left in round three.

Key moments

  • Submitted Ribas in the closing seconds of round three.
  • Found the armbar at 4:56 of the final round.
  • Picked up a Performance of the Night bonus.
WinDEC
Opponent: Loopy GodinezunanimousR3 5:00
UFC on ABC: Sandhagen vs. Nurmagomedov
3 Aug 2024

Dern stayed measured against Godinez and did enough over three rounds to secure a unanimous decision. The win was less dramatic than some of her submission finishes, but it was useful proof that her game can still function in a disciplined fifteen-minute format.

Key moments

  • Won a unanimous decision over a durable strawweight.
  • Managed a full three-round fight without fading late.
  • Rebounded cleanly after the Lemos loss.
LossDEC
Opponent: Amanda LemosunanimousR3 5:00
UFC 298
17 Feb 2024

Lemos kept enough of the fight in striking range to deny Dern the kind of prolonged grappling exchanges she wanted. The result was a unanimous decision loss after three rounds, even though the bout still drew Fight of the Night recognition.

Key moments

  • Lost a unanimous decision at UFC 298.
  • Could not consistently turn the fight into extended grappling control.
  • Still shared Fight of the Night honors.
LossTKO
Opponent: Jessica AndradepunchesR2 3:15
UFC 295
11 Nov 2023
WinDEC
Opponent: Angela HillunanimousR5 5:00
UFC Fight Night: Dern vs. Hill
20 May 2023

Hill stayed competitive and active, but Dern's cleaner power shots and timely grappling moments carried her to a wide main-event decision.

Key moments

  • Won a five-round unanimous decision in her third UFC main event.
  • Showed the striking growth she had emphasized coming into the fight.
  • Mixed in enough grappling threats to keep Hill from building a purely kickboxing match.
  • Left with scores of 49-43, 49-44 and 49-44.
LossDEC
Opponent: Yan XiaonanmajorityR5 5:00
UFC Fight Night: Dern vs. Yan
1 Oct 2022

Yan largely controlled the stand-up across five rounds and survived Dern's best submission threats to take the main event. Dern had dramatic grappling moments, but Yan's cleaner volume over the full twenty-five minutes earned the majority decision.

Key moments

  • Dropped a five-round majority decision in Las Vegas.
  • Created real danger whenever she pulled Yan into extended grappling exchanges.
  • Could not overcome Yan's edge in volume and range striking over the full fight.
WinDEC
Opponent: Tecia TorressplitR3 5:00
UFC 273
9 Apr 2022

Dern edged Torres in a close three-round contest built on the familiar style contrast of grappling pressure against footwork and speed. Torres had success on the feet, but Dern did enough in the judges' eyes to escape with the split decision.

Key moments

  • Won a split decision in a tightly contested strawweight matchup.
  • Had to work through Torres' speed and movement rather than dominate on the mat.
  • Used her pressure and submission threat to keep the rounds close enough to steal.
  • Bounced back from the Rodriguez defeat with a needed ranked win.
LossDEC
Opponent: Marina RodriguezunanimousR5 5:00
UFC Fight Night: Dern vs. Rodriguez
9 Oct 2021

Rodriguez handled long stretches of the stand-up and repeatedly made Dern pay before the fight ever reached safe grappling territory. Dern had her moments on the floor, but Rodriguez's damage and control at range were enough for a clean five-round decision.

Key moments

  • Lost a unanimous decision in her first UFC main event.
  • Rodriguez did most of her best work at distance with cleaner striking.
  • Dern still generated dangerous grappling sequences, but not often enough to flip the fight.
  • The bout became a measuring-stick loss against a top strawweight contender.
WinSUB
Opponent: Nina NunesarmbarR1 4:48
UFC on ABC: Vettori vs. Holland
10 Apr 2021

Dern was patient early, then capitalized as soon as the fight hit her preferred phase and ripped an armbar in the closing seconds of round one. It was the kind of instant-jitsu finish that kept reminding the division how little margin for error exists against her on the floor.

Key moments

  • Submitted Nunes with an armbar at 4:48 of round one.
  • Needed only one meaningful grappling sequence to end the fight.
  • Made a statement on ABC with another first-round finish.
WinDEC
Opponent: Virna JandirobaunanimousR3 5:00
UFC 256
12 Dec 2020

Dern beat another high-level grappler by showing she could stay composed in a technical ground fight and win minutes everywhere else. The unanimous decision over Jandiroba gave her a third straight UFC victory and set up a bigger name next.

Key moments

  • Won a unanimous decision over a respected jiu-jitsu specialist.
  • Did not force a reckless submission chase against another dangerous grappler.
  • The result positioned her for the Nina Nunes matchup.
WinSUB
Opponent: Randa MarkosarmbarR1 3:44
UFC Fight Night: Covington vs. Woodley
19 Sep 2020

Dern quickly dragged the fight into her world and forced Markos to tap before the first round ended. The armbar was one of her cleaner UFC finishes and another reminder of how dangerous every scramble becomes against her.

Key moments

  • Finished Markos by first-round armbar at 3:44.
  • Collected another Performance of the Night level submission in the Apex era.
  • Needed less than four minutes once the fight hit the mat.
  • Followed the Cifers kneebar with a second straight first-round finish.
WinSUB
Opponent: Hannah CiferskneebarR1 2:36
UFC on ESPN: Woodley vs. Burns
30 May 2020
LossDEC
Opponent: Amanda RibasunanimousR3 5:00
UFC Fight Night: Joanna vs. Waterson
12 Oct 2019

Ribas handed Dern her first UFC defeat by staying composed through the grappling danger and consistently winning the striking exchanges. Dern had moments, but Ribas' balance across all three rounds made the outcome clear.

Key moments

  • Ribas denied Dern the kind of sustained control she usually turns into finishes.
  • The striking gap was the bigger story over fifteen minutes.
  • The loss ended Dern's 7-0 start as a professional.
WinSUB
Opponent: Amanda Cooperrear-naked chokeR1 2:27
UFC 224
12 May 2018

Dern's first UFC finish came in a chaotic week that was overshadowed by her massive weight miss, but once the fight began she overwhelmed Cooper and found the rear-naked choke in round one. The talent was obvious even if the professionalism questions were unavoidable.

Key moments

  • Submitted Cooper at 2:27 of the first round.
  • Recorded her first finish inside the Octagon.
  • The bout was surrounded by controversy after Dern missed weight badly.
  • Once the fight hit the floor, the grappling gap closed the show quickly.
WinDEC
Opponent: Ashley YodersplitR3 5:00
UFC 222
3 Mar 2018
WinSUB
Opponent: Kaline MedeirosarmbarR3 4:45
Invicta FC 26
8 Dec 2017

The late finish showed patience and persistence rather than the instant submission that often defined her earlier appearances.

Key moments

  • Finished Medeiros with an armbar late in round three.
  • Needed her deepest fight to that point before getting the submission.
  • Ended her Invicta debut with another win rather than a flashy blowout.
WinSUB
Opponent: Mandy Polkrear-naked chokeR1 2:55
LFA 24
13 Oct 2017

She needed less than three minutes to find the back and end the fight with the kind of clean submission that had become routine on the regional scene.

Key moments

  • Won by rear-naked choke at 2:55 of the first round.
  • Made her flyweight debut in the bout.
  • The finish reinforced how quickly she could close once she found dominant position.
WinDEC
Opponent: Katherine RoyunanimousR3 5:00
LFA 6
10 Mar 2017

Roy pushed Dern the full distance in a catchweight bout and forced her to show a more patient side of her game.

Key moments

  • Won a unanimous decision over three rounds in San Antonio.
  • Competed at 120 pounds rather than her usual strawweight limit.
  • Had to go the distance instead of collecting another quick finish.
WinSUB
Opponent: Montana De La Rosarear-naked chokeR1 3:25
Legacy FC 61
14 Oct 2016

Dern beat future UFC flyweight De La Rosa in the first round by doing what everyone expected once the fight hit the mat.

Key moments

  • Finished De La Rosa by rear-naked choke at 3:25 of round one.
  • Beat a future UFC fighter on the regional circuit.
  • Stayed perfect as a professional at 2-0.
  • Needed only one round once the grappling exchanges developed.
WinDEC
Opponent: Kenia RosasunanimousR3 5:00
Legacy FC 58
22 Jul 2016

The Read

Style, strengths, and defining traits.

Dern remains one of the clearest specialist threats in the division because the grappling win condition is never subtle. Once she gets on top or forces a scramble, the armbar and back-take sequences start stacking quickly, which is why half of her wins still come by submission even after years against ranked opposition.

The improvement in her recent run is that she no longer needs every fight to become instant chaos. Wins over Loopy Godinez, Amanda Ribas and Virna Jandiroba showed she can pair that jiu-jitsu danger with enough patience and cage-time management to stay relevant near the top of strawweight.

Signature Fights

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