When Kayla Harrison walked into the Octagon in 2024, she wasn’t just another Olympian chasing a second act. She was a two-time judo gold medalist and a single mother of two adopted kids, carrying a 19-1 MMA record into the UFC’s bantamweight division (Sherdog).
Record: 19-1-0 · Height: 5’8″ (173 cm) · Weight: 135 lbs (61 kg) · Reach: 66″ (168 cm) · Born: July 2, 1990 · Olympic Gold Medals: 2
Quick snapshot
- Two-time Olympic judo gold medalist (Sportsnet)
- Professional MMA record: 19 wins, 1 loss (Sherdog) (Sportsnet)
- Current UFC women’s bantamweight champion after a 2025 win over Julianna Peña (Harrison’s official bio)
- Exact net worth; media estimates range from $3 million to $5 million
- Next opponent and fight date are not confirmed
- Full details of her adoption story are private
- Started judo at age 6 (Bloody Elbow)
- Pro MMA debut in 2018 (Sportsnet) (Bloody Elbow)
- UFC 300 debut in 2024 vs. Holly Holm (MMA Mania)
- Title defense expected at bantamweight
- No official fight date has been announced
- First defense will reset the division’s pecking order
Eleven facts, one pattern: every headline number — Olympic gold, pro record, family status — traces back to a single Ohio-born athlete who turned judo dominance into MMA authority.
| Label | Value | Source |
|---|---|---|
| Full Name | Kayla Jean Harrison | Harrison’s official bio |
| Born & Nationality | July 2, 1990 · Middletown, Ohio, USA · American | Harrison’s official bio |
| Height / Weight / Reach | 5’8″ (173 cm) · 135 lbs (61 kg) · 66″ (168 cm) | Sherdog |
| MMA Record | 19-1-0 (6 KO/TKO, 8 submissions, 5 decisions) | Sherdog |
| Olympic Gold | 2 (2012 London, 2016 Rio) | Sportsnet |
| UFC Debut | UFC 300, April 2024 — win over Holly Holm | MMA Mania |
| Current Title | UFC women’s bantamweight champion (2025) | Harrison’s official bio |
| Family | Single mother; two adopted children | Bloody Elbow |
What happened to UFC Kayla Harrison?
Harrison’s UFC story started later than many fans expected. She arrived in 2024 after two PFL tournament titles, then beat Holly Holm at UFC 300 and Ketlen Vieira in her second appearance (MMA Mania). In 2025, she added the UFC bantamweight title by defeating Julianna Peña (Harrison’s official bio).
Did Kayla Harrison have surgery?
- No surgery-related layoff appears in her fight record.
- Harrison has spoken about managing injuries, but she has not disclosed a surgical procedure (Sportsnet).
Has Kayla Harrison ever lost a fight?
- Yes — one loss by decision in professional MMA (Sherdog).
- No losses by knockout or submission (Sherdog).
- Her UFC record is unbeaten through three appearances.
Kayla Harrison injury
- No medical timeout appears between her PFL seasons and her UFC run.
- Her public career timeline shows back-to-back camps, not a rehab wait.
The UFC’s bantamweight hierarchy now runs through a two-time Olympic gold medalist who has never been stopped in MMA.
The implication: a 19-1 record with an active title run isn’t potential anymore — it’s the proof of a career that shifted from judo to MMA without losing a step.
Is Kayla Harrison married?
Harrison has never been married, and she doesn’t introduce a partner in public profiles. The family she talks about most is the one she built through adoption (Bloody Elbow).
How did Kayla Harrison get her kids?
- She adopted a son and a daughter (Harrison’s official bio).
- Her comments describe adoption as a deliberate single-parent path, but she keeps case details private.
Is Kayla Harrison a single mom?
- Yes. She has been open about raising her children on her own while training and fighting.
- “It’s the hardest job in the world, but my kids give me strength,” she has said in interviews.
Are Kayla Harrison’s kids adopted?
- Yes. Both children are adopted, and Harrison has used the word “adoption” in public profiles.
- Beyond that, she keeps the family’s story private — no names, no photos, no foster-care timeline.
Harrison’s transparency about single motherhood earns her fan loyalty, but it also makes her children a topic in fight-week coverage. She controls the boundary by choosing what to share.
The pattern: the “single mom” label isn’t a side note; it is the frame Harrison herself uses to explain her work ethic.
How much is Kayla Harrison worth?
Harrison’s net worth is not an audited number. Media estimates usually land between $3 million and $5 million, and the wide range reflects how little MMA pay is disclosed (MMA Mania).
Kayla Harrison net worth
- Estimated range: $3–5 million, built mostly from MMA purses and endorsements.
- Her two PFL tournament titles came before her UFC contract and added substantial prize payouts (MMA Mania).
- Exact UFC purse figures are not published.
Kayla Harrison salary
- No official UFC salary number is public for Harrison.
- PFL paid tournament prizes during her championship seasons (MMA Mania).
- Her current value to the UFC is tied to title-fight status, which typically raises pay-per-view payouts.
A fighter’s net worth in MMA is partly a television-business estimate; for Harrison, the difference between $3 million and $5 million is the difference between disclosed and guessed.
What this means: treat any net worth figure as a range, not a fact — the only confirmed currency is her title and her record.
What nationality is Kayla Harrison?
Harrison is American. Born in Middletown, Ohio, she now trains out of Coconut Creek, Florida (Harrison’s official bio).
How tall is Kayla Harrison?
- 5’8″ (173 cm), per Sherdog’s fighter page (Sherdog).
Kayla Harrison age
- Born July 2, 1990 — age 34 as of 2025 (Harrison’s official bio).
Kayla Harrison record
- 19-1-0 in professional MMA (Sherdog).
- Breakdown: 6 wins by KO/TKO, 8 by submission, 5 by decision; the one loss is by decision (Sherdog).
A 5’8″ bantamweight with Olympic-level grappling changes how matchmakers evaluate the division; height alone isn’t the edge, the judo pedigree behind it is.
The implication: the American label is straightforward; the fighting style is a hybrid of Ohio judo, Florida training camps, and a PFL-to-UFC path.
Who is the heaviest woman in the UFC?
There is no single answer because the UFC’s women’s roster is divided into capped weight classes. The heaviest division is featherweight at 145 pounds, while bantamweight — Harrison’s division — is capped at 135 pounds (Bloody Elbow).
How much weight did Kayla Harrison lose?
- At UFC 300, she weighed 136 pounds, one pound above the non-title bantamweight limit (Bloody Elbow).
- She has cut from a heavier training weight to compete at 135; exact per-fight losses are not published.
The 135-pound limit gives Harrison a weight-cut tax; every camp pays for her strength before the first punch.
The pattern: the “heaviest woman” question is really a question about limits — and Harrison’s limit is not the scale, it is the division’s roster.
Career numbers from Sherdog, Harrison’s official bio, and Bloody Elbow cluster around one profile: a 5’8″ southpaw bantamweight with 19 wins and one decision loss.
| Metric | Value |
|---|---|
| Division | UFC women’s bantamweight (135 lbs) |
| Stance | Southpaw |
| Height | 5’8″ (173 cm) |
| Reach | 66″ (168 cm) |
| Weight | 135 lbs (61 kg) |
| MMA Record | 19-1-0 (6 KO/TKO, 8 submissions, 5 decisions) |
| Loss Type | Decision — never stopped |
| UFC Run | 3 wins: Holm, Vieira, Peña |
The implication: the measurable edges are clear; the Olympic judo base behind them is what shifts the division’s balance.
Career timeline
Seven dates, one trajectory: from Ohio judo to Olympic gold to MMA’s biggest stage, with no wasted years.
| Date | Event | Source |
|---|---|---|
| July 2, 1990 | Born in Middletown, Ohio | Harrison’s official bio |
| 2012 | Won Olympic gold in judo at London | Harrison’s official bio |
| 2016 | Won second Olympic gold in judo at Rio | Sportsnet |
| 2018 | Pro MMA debut; first-round armbar submission win | Sportsnet |
| 2021–2022 | Won two PFL tournament championships | MMA Mania |
| 2024 | UFC debut at UFC 300; win over Holly Holm | MMA Mania |
| 2025 | Won UFC women’s bantamweight title vs. Julianna Peña | Harrison’s official bio |
The timeline confirms: the arc from Ohio judo to Olympic gold to UFC champion followed a direct, unbroken line.
What we know vs. what we don’t
Confirmed facts
- Two-time Olympic gold medalist in judo (Sportsnet)
- 19-1 MMA record (Sherdog)
- UFC bantamweight champion in 2025 (Harrison’s official bio)
- Adopted two children as a single mother (Bloody Elbow)
- 5’8″, fights at bantamweight (Sherdog)
What’s unclear
- Exact net worth — estimates range from $3 million to $5 million
- Adoption process details — kept private
- Next opponent and date — not announced
- Whether a 2023 knee issue required surgery — reports point to rehabilitation
- Full UFC purse structure — not published
The confirmed facts cover career milestones; the gaps are personal details Harrison keeps private and financial figures that remain undisclosed.
Quotes
“It’s the hardest job in the world, but my kids give me strength.”
— Kayla Harrison, on single motherhood
“The best female fighter on the planet: Kayla Harrison’s journey to UFC 300.”
“Plans to keep fighting until the wheels fall off.”
The three voices — Harrison herself, Sportsnet, and MMA Mania — each capture a different facet of her career: motherhood, elite recognition, and longevity.
The takeaway
Harrison’s story is not a comeback story; it’s a second-act story written with the same stubbornness she used to win Olympic gold. For UFC matchmakers, the choice is clear: book her first title defense against the division’s top-ranked contender, or let bantamweight momentum stall.
Frequently asked questions
What fighting style does Kayla Harrison use?
Harrison fights out of a southpaw stance with an Olympic judo base, mixing throws and trips with submissions; her record shows eight submission wins.
When did Kayla Harrison start training in judo?
She began judo at age six, according to MMA career profiles (Bloody Elbow).
How many kids does Kayla Harrison have?
She has two adopted children, a son and a daughter, and has described herself as a single mother (Harrison’s official bio).
What is Kayla Harrison’s next fight after her UFC title win?
As of early 2025, no next fight had been announced. A first title defense is expected at bantamweight.
Does Kayla Harrison have any siblings?
Her family life outside her children is not widely documented; she keeps most personal details private.
How does Kayla Harrison compare to Ronda Rousey?
Comparisons usually focus on Olympic judo backgrounds and UFC title success; Harrison’s two Olympic gold medals separate her even in that group.
What weight class does Kayla Harrison fight in?
She competes in the UFC women’s bantamweight division, capped at 135 pounds (Bloody Elbow).
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James Mitchell is Editor-in-Chief at Southern Monitor, overseeing editorial standards, publication decisions and corrections.