| Mackenzie Dern |
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Dern in 2015 |
| Born | Mackenzie Lynne Dern
(1993-03-24) March 24, 1993
Phoenix, Arizona, U.S. |
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| Nationality | Brazilian, American |
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| Height | 5 ft 4 in (1.63 m) |
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| Weight | 115 lb (52 kg; 8 st 3 lb) |
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| Division | Strawweight |
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| Reach | 63 in (160 cm) |
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| Style | Brazilian Jiu-Jitsu |
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| Fighting out of | Huntington Beach, California, U.S. |
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| Team | MMA Lab (2016–2018)
Black House MMA (2018–2020)
Checkmat
RVCA (2020–2023) |
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| Trainer | Jason Parillo |
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| Rank | 3rd degree black belt in Brazilian Jiu-Jitsu under Megaton Dias |
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| Years active | 2016–present (MMA) |
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|
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| Total | 20 |
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| Wins | 15 |
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| By submission | 8 |
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| By decision | 7 |
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| Losses | 5 |
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| By knockout | 1 |
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| By decision | 4 |
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| Mixed martial arts record from Sherdog |
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| Representing United States |
| Submission Grappling |
| ADCC World Championship |
| 2015 São Paulo | -60kg |
| ADCC North American Championships |
| 2012 San Diego | -60kg |
| Brazilian Jiu-Jitsu |
| World Jiu-Jitsu Championship |
| 2014 California, USA | -59 kg |
| 2015 California, USA | -59 kg |
| 2015 California, USA | Absolute |
| Nogi World Jiu-Jitsu Championship |
| 2014 California, USA | -55.5 kg |
| 2014 California, USA | Absolute |
| 2015 California, USA | -55.5 kg |
| 2015 California, USA | Absolute |
| Pan Jiu-Jitsu Championship |
| 2014 California, USA | -59 kg |
| 2014 California, USA | Absolute |
| 2015 California, USA | -59 kg |
| 2015 California, USA | Absolute |
| European Championship |
| 2013 Lisbon, Portugal | -58kg |
| Brazilian National Championship |
| 2014 Rio de Janeiro, Brazil | -58kg |
| 2015 Rio de Janeiro, Brazil | -58kg |
| Asian Open Championship |
| 2014 Tokyo, Japan | -58kg |
| 2014 Tokyo, Japan | Absolute |
| 2015 Tokyo, Japan | -58kg |
| 2015 Tokyo, Japan | Absolute |
| World Cup |
| 2015 Abu Dhabi | -55 kg |
| 2015 Abu Dhabi | Absolute |
|
| Representing Brazil |
| Brazilian Jiu-Jitsu |
| World Jiu-Jitsu Championship |
| 2016 California, USA | -59 kg |
| 2016 California, USA | Absolute |
| Pan Jiu-Jitsu Championship |
| 2016 California, USA | -59 kg |
| 2016 California, USA | Absolute |
| European Championship |
| 2016 Lisbon, Portugal | -58kg |
| 2017 Lisbon, Portugal | -58kg |
| Asian Open Championship |
| 2016 Tokyo, Japan | -64g |
| 2016 Tokyo, Japan | Absolute |
| World Cup |
| 2016 Abu Dhabi | -55 kg |
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Mackenzie Lynne Dern (born March 24, 1993) is an American and Brazilian professional mixed martial artist and Brazilian Jiu-Jitsu practitioner currently competing in the women's Strawweight division of the Ultimate Fighting Championship (UFC). She is a former world No. 1 ranked IBJJF competitor, currently ranked 6th among the female divisions. She is an ADCC and no gi BJJ (black belt) World Champion. As of October 8, 2024, she is #6 in the UFC women's strawweight rankings.