Spencer vs Mayer

When is Spencer vs Mayer?

Mary Spencer will square off against Mikaela Mayer on Thursday, October 30th, 2025, at Montreal Casino, Montreal.

The fight will take place over 12 rounds in the Super Welterweight division, which means the weight limit will be 154 pounds (11 stone or 69.8 kg).

Spencer vs Mayer stats

Mary Spencer steps into the ring with a record of 10 wins, 2 losses, and 0 draws, 6 of those wins coming by way of knockout.

Mikaela Mayer will make her way to the ring with a record of 21 wins, 2 losses and 0 draws, with 5 of those wins by knockout.

The stats suggest Spencer has a massive power advantage over Mayer, boasting a 60% knockout percentage compared to Mayer's 24%.

Mary Spencer is the older woman by 5 years, at 40 years old.

Spencer has a height advantage of 2 inches over Mayer.

Both Mary Spencer and Mikaela Mayer fight out of an orthodox stance.

Spencer is the less experienced professional fighter, having had 11 fewer fights, and made her debut in 2021, 4 years later than Mayer, whose first professional fight was in 2017. She has fought 116 fewer professional rounds, totaling 58 compared to Mayer's 174.

Spencer vs Mayer form

Mikaela Mayer has beaten 4 of her last 5 opponents.

In her last fight, she won against Sandy Ryan on March 29, 2025, by unanimous decision in their 10 round contest at Fontainebleau Las Vegas, Las Vegas, United States.

Prior to that, she had won against Sandy Ryan on September 27, 2024, by majority decision in their 10 round contest at Madison Square Garden, New York.

Going into that contest, she had been beaten by Natasha Jonas on January 20, 2024, by split decision in their 10 round contest at M&S Bank Arena, Liverpool, United Kingdom.

Before that, she had beaten Silvia Bortot on September 2, 2023, by points in the 10th round at Manchester Arena, Manchester.

She had defeated Lucy Wildheart on April 15, 2023, by unanimous decision in their 10 round contest at Copper Box Arena, London.

Activity check

Mayer's last 5 fights have come over a period of 2 years, 6 months and 15 days, meaning she has been fighting on average every 6 months and 4 days. In those fights, she fought a total of 50 rounds, meaning that they have lasted 10 rounds on average.

What time does Spencer vs Mayer start?

The fighters are expected to ringwalk at around 3:00 AM UTC at Montreal Casino, Montreal, Canada, which is 11:00 PM EST or 8:00 PM PST on the West Coast of America, or 3:00 AM GMT in the UK.

What are the odds on Spencer vs Mayer?

Sorry, we couldn’t find any odds for Spencer vs Mayer yet. If odds are not available initially after the fight is announced, bookmakers usually release them closer to the day of the fight.