Spencer vs. Mayer
On a historic Thursday night, October 30th, at Casino Montreal in Quebec, Canada, boxing fans witnessed a night of pure championship spirit as Mikaela Mayer (22-2-0) claimed her place among the sport’s elite once again. Presented by Eye of the Tiger Management and Top Rank, the card titled Spencer vs. Mayer delivered unforgettable action — and a new three-time world champion was crowned.
Mayer Defeats Spencer to Claim Triple Crown
The main event saw Mayer face off against local star Mary Spencer (10-3-0) for the unified WBA, WBO, and WBC World Female Super Welterweight Titles. After ten fierce rounds, Mayer’s crisp combinations, defensive control, and championship poise earned her a unanimous decision victory over Spencer. The judges’ scores reflected her dominance and precision throughout the bout.
With the win, Mayer became a three-division world champion, solidifying her position as one of the top female boxers of her generation. Her return to form has boxing fans buzzing and her rivals on notice — the Mayer era is far from over.
Complete Fight Card Results
Main Event — WBA, WBO & WBC World Female Super Welterweight Titles
Mikaela Mayer (W) def. Mary Spencer (L) — Decision, Unanimous | 10 Rounds
Co-Main Event — WBC Continental & NABF Super Middleweight Titles
Wilkens Mathieu (W) def. Shakeel Phinn (L) — Decision, Unanimous | 10 Rounds
Main Card — NABF Super Lightweight Title
Arthur Biyarslanov (W) def. Sergei Lipinets (L) — Decision, Unanimous | 10 Rounds
Main Card — WBC Continental Americas Light Heavyweight Title
Mehmet Unal (W) def. Ralfs Vilcans (L) — KO/TKO | Round 1 of 10
Main Card — WBC Continental Americas Welterweight Title
Christopher Guerrero (W) def. Williams Herrera (L) — Decision, Unanimous | 10 Rounds
Main Card
Logan Clouthier (W) def. Thomas Chabot (L) — Decision, Unanimous | 8 Rounds
Main Card
Erik Israyelyan (W) def. Dylan Schroeder (L) — Decision, Split | 4 Rounds
Mayer’s Legacy Grows
Mikaela Mayer’s third world title victory cements her as one of boxing’s biggest stars and a true ambassador for women’s boxing worldwide. From her Olympic roots to her world championship reigns, Mayer’s journey continues to inspire fighters and fans alike.
Her performance in Montreal wasn’t just another win — it was a statement: Mikaela Mayer is back on top of the world.