Mikaela Mayer Biography: Spouse, Age, Record, Height, Net Worth, Parents, Boxing Legacy

Mikaela Mayer is an American professional boxer and WBO welterweight champion, known for her technical skill and counterpunching style.

A 2016 Olympian and former unified super-featherweight champion, she’s a trailblazer in women’s boxing, advocating for its growth while proudly representing her Los Angeles roots.

Profile

• Full Name: Mikaela Joslin Mayer
• Stage Name: Mikaela Mayer
• Born: July 4, 1990
• Age: 35 years old
• Birthplace: West Hills, Los Angeles, California, United States
• Nationality: American
• Occupation: Professional Boxer, Model
• Height: 5 feet 9 inches (175 cm)
• Religion: Unknown
• Parents: Mr. Mark Mayer and Mrs. Mayer
• Siblings: Two
• Spouse: Marquette King
• Children: None
• Relationship: Dating
• Net Worth: $500,000 to $2 million

Early Life & Education

Mikaela Mayer was born on July 4, 1990, in West Hills, Los Angeles, California. She grew up with her father, Mark Mayer, and her mother, whose name is not publicly known, after her parents’ divorce.

She has two older sisters, though their names are also private. Mikaela is of American nationality and White Caucasian ethnicity.

Her religion is not publicly known. Raised by her single father, she faced numerous challenges, including time in continuation school during her teenage years.

At 17, she discovered Muay Thai, which led her to boxing. Her Los Angeles upbringing and American grit shaped her determination to succeed in a male-dominated sport.

Mikaela attended continuation school in Los Angeles during her teenage years, as she struggled to find direction. She later graduated from high school, though specific details about her school are not publicly available. No information exists about higher education, as she focused on combat sports from age 17.

Career

Mikaela Mayer started boxing at 17 after training in Muay Thai. As an amateur, she won the 2009 National Golden Gloves, three consecutive USA National Championships (2014-2016), and a bronze medal at the 2012 AIBA World Championships.

She competed at the 2016 Rio Olympics, defeating Jennifer Chieng in the Round of 16 but losing to Anastasia Belyakova in the quarterfinals.

She turned pro on August 5, 2017, signing with Top Rank and debuting with a first-round knockout against Widnelly Figueroa.

In 2018, she won the NABF super featherweight title. On October 31, 2020, she claimed the WBO female super featherweight title against Ewa Brodnicka by unanimous decision.

She unified the division on November 5, 2021, defeating Maïva Hamadouche for the IBF and Ring titles in a Fight of the Year contender. She lost her titles to Alycia Baumgardner in October 2022 by split decision, her first pro loss.

Moving to lightweight, she won the interim WBC female lightweight title against Lucy Wildheart on April 15, 2023, after Christina Linardatou failed a medical exam.

In January 2024, she challenged Natasha Jonas for the IBF welterweight title, losing by split decision. On September 27, 2024, she won the WBO welterweight title against Sandy Ryan by majority decision, defending it against Ryan on March 29, 2025, by unanimous decision in Las Vegas.

With a 21-2-0 record (5 KOs), Mikaela aims for undisputed status at 147 pounds, eyeing fights with Katie Taylor or Lauren Price.

Awards & Nominations

• 2009: National Golden Gloves, Lightweight (Gold)
• 2012: AIBA Women’s World Championships, Lightweight (Bronze)
• 2014-2016: USA National Championships, Lightweight (Gold, three times)
• 2016: AIBA Americas Olympic Qualifier, Lightweight (Gold)
• 2018: NABF Super Featherweight Title
• 2020: WBO Female Super Featherweight Title
• 2021: IBF and Ring Female Super Featherweight Titles
• 2023: WBC Interim Female Lightweight Title
• 2024: WBO Female Welterweight Title

Social Media

• Instagram handle: @mikaelamayer

Personal Life

Mikaela Mayer, 35, lives in Colorado Springs, Colorado, and has been in a relationship with Marquette King, a former NFL punter and musician, since at least 2023. She stands at 5 feet 9 inches and trains under Al Mitchell in Marquette, Michigan.

After her 2022 loss to Baumgardner, King supported her through the setback. She enjoys downtime in places like Napa Valley, where she lost her phone on a 2022 vacation.

A proud American, she advocates for women’s boxing, inspired by her Olympic experience and her role as the first woman to sign multi-year deals with Everlast and Top Rank.

Net Worth

Mikaela Mayer’s net worth is estimated at $500,000 to $2 million.

Her income comes from fight purses, sponsorships with Everlast, Trust You, and bliqq_us, and her Top Rank contract.

Early in her career, she struggled with low sponsorships, but her world titles and high-profile fights have boosted her earnings.