Mackenzie Dern: Biography, UFC Record & Personal Life
Scrolling through Mackenzie Dern’s Instagram feed feels like watching two different lives at once: the mom posting selfies with her daughter, and the UFC strawweight choking opponents in the Octagon. That duality defines her career — a Brazilian Jiu-Jitsu world champion chasing MMA gold while raising a toddler in Los Angeles.
Height: 5’4″ (163 cm) ·
Weight: 115 lbs (52 kg) ·
Record (MMA): 17-5-0 ·
Born: March 24, 1993 ·
Nationality: American, Brazilian
Quick snapshot
Six key facts, one pattern: every major stat — height, weight, record — is consistently reported across official sources.
| Attribute | Value |
|---|---|
| Full Name | Mackenzie Lynne Dern |
| Date of Birth | March 24, 1993 |
| Height | 5’4″ (163 cm) |
| Weight | 115 lbs (52 kg) |
| MMA Record | 17-5-0 |
| Team | RVCA |
| Nationality | American, Brazilian |
Who was Mackenzie Dern’s husband?
Mackenzie Dern was previously married to Wesley Santos, a Brazilian Jiu-Jitsu black belt. The couple has a daughter, born in 2020. Wikipedia (biographical database) lists Santos as her former husband, and ESPN (sports reference) notes her daughter’s birth. For a fighter who shares so much online, these details come from outside her own feed.
Who is Mackenzie Dern’s baby daddy?
Wesley Santos is the father of Dern’s daughter. The couple divorced after having a child together, though the exact timeline of their split remains private. Her Instagram bio, which promotes her UFC career and motherhood, does not address the relationship directly — but biographical sources confirm Santos as the father.
Dern’s public persona highlights her daughter, yet she explicitly keeps details about her ex-husband and current relationship status off social media — a deliberate boundary between her two lives.
The boundary she keeps around that relationship is the same one that lets her present motherhood on her own terms.
Why is Mackenzie Dern so popular?
Her popularity rests on two pillars: elite grappling credentials and a large social media following. She won the ADCC World Championship in 2015 and is a multiple-time BJJ world champion, as noted by the UFC (official fight promotion). Her Instagram account, linked from Tapology, has millions of followers.
What is Mackenzie Dern’s ethnicity?
She holds dual nationality: American (born in Phoenix) and Brazilian (her father is Wellington “Megaton” Dias, a BJJ legend). Wikipedia lists her nationality as American and Brazilian. Her fight career often emphasizes her Brazilian heritage, especially in Jiu-Jitsu.
What language does Mackenzie Dern speak?
She speaks English and Portuguese fluently, a reflection of her Brazilian upbringing with an American mother. Interviews on the UFC’s official page show her switching between both languages.
Dern’s multicultural appeal lets her bridge two major MMA markets — the U.S. and Brazil — while her storytelling about balancing motherhood and fighting creates emotional traction that pure athleticism alone rarely delivers.
That combination gives her a fan base that follows her between fights, not just on fight night.
What is Mackenzie Dern’s net worth?
Her exact net worth has not been publicly disclosed. Fight purses vary by opponent, performance bonus, and sponsorship. CBS Sports (sports statistics provider) tracks her base pay as typical for UFC strawweights, but total earnings remain private.
How much did Mackenzie Dern get paid?
Reported pay from individual UFC events is not officially published. For example, her 2023 fight purse was estimated at around $100,000 total (base plus win bonus) according to sports finance trackers, but this is not verified by the UFC. Sponsorships from brands like RVCA add to her income.
Until the UFC publishes official purse data, every dollar figure attached to Dern’s career is an estimate rather than a record.
How tall is Mackenzie Dern?
Height: 5’4″ (163 cm). This is consistently reported across three independent sources: ESPN, CBS Sports, and UFC Stats.
What is Mackenzie Dern’s weight?
She competes in the strawweight division at 115 lbs (52 kg). Both the UFC and ESPN list that weight. Her reach is 160 cm, per MMA Index.
Where does Mackenzie Dern live?
She resides in Los Angeles, California. Tapology (fighter database) lists her location as Los Angeles. She trains at RVCA in Huntington Beach, California.
Confirmed facts
- Height: 5’4″ (CBS Sports)
- Weight: 115 lbs (Topps Ripped)
- Record: 17-5-0 (The MMA Predictor)
- Born: March 24, 1993 (UFC Stats)
- Residence: Los Angeles, CA (Tapology)
What’s unclear
- Exact net worth not publicly disclosed
- Current relationship status after divorce
- Exact fight purse per event
“GOD First @ufc Strawweight Champ”
— Mackenzie Dern, Instagram bio
“She has jiu-jitsu in her blood — she’s Megaton’s daughter.”
— Wellington Dias, via UFC Fans
The pattern is clear: Dern’s dual identity as a BJJ prodigy and a public mother creates a narrative that keeps fans engaged even between fights. But her athletic credibility comes from a proven record of submission wins and world titles — not just social-media charisma. For a fighter still in contention for a strawweight title shot, the stakes are straightforward: either she capitalizes on her grappling legacy to earn a championship bout, or she remains a popular but unfulfilled talent in a stacked division.
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Frequently asked questions
What is Mackenzie Dern’s fighting style?
She is a grappling-heavy fighter who prefers submissions on the ground. Eight of her wins are by submission, including rear-naked chokes and armbars (UFC).
How did Mackenzie Dern start MMA?
She began training in jiu-jitsu at age 3, earned her black belt at 19, and made her professional MMA debut in 2016 (UFC).
Is Mackenzie Dern a black belt in BJJ?
Yes, she is a black belt in Brazilian Jiu-Jitsu, achieved under her father Wellington “Megaton” Dias (UFC).
What is Mackenzie Dern’s UFC ranking?
She is ranked #7 in the UFC women’s strawweight division as of early 2025 (UFC).
Who is Mackenzie Dern’s coach?
She trains under coach Jason Parillo at RVCA in Huntington Beach, California (UFC).
Does Mackenzie Dern have any siblings?
She has two brothers, but they are not publicly involved in MMA (Wikipedia).
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