Bookmakers made Kayla Harrison a big favourite against Julianna Pena when they meet in their bout on Saturday 7th June 2025 at UFC 316.
She is currently 1/5 (-500) to win the bout outright, while you can get 17/5 (+340) on Julianna Pena if you fancy the big upset.
That means that oddsmakers think there is 79% chance of Harrison winning while giving Pena a 21% chance.
Harrison opened as the favourite at 1/7 (-710) however, that price has shortened by 53/-50 (+90).
Pena opened at 9/2 (+450) which has got wider by 1/10 (-1000).
The fight is scheduled for 5 rounds in the Women’s Bantamweight division, which means both fighters will have to make the weight limit of 135 pounds (9.45 stones or 61.36 KG) on the day of the weigh-in.
Full UFC 316 Odds
Main Event
Kayla Harrison is currently 1/5 (-500) to beat Julianna Pena, while Pena is currently 17/5 (+340) to win if you fancy the big upset.
Main Card
Azamat Murzakanov is made a favourite at 2/5 (-250) to come out the victor in a fight against Johnny Walker, while Walker is currently 7/4 (+180) to win if you fancy the upset.
Mario Bautista sits at 2/5 (-250) to win against Marlon Vera, while Vera is currently 7/4 (+180) to win if you fancy the upset.
Prelims
Kevin Holland is marked at 1/2 (-200) to be victorious against Vicente Luque, while Luque is currently 6/4 (+150) to win if you fancy the small upset.
Pena vs Harrison Head To Head
Julianna Pena steps into the octagon with a record of 12 wins, 5 losses and 0 draws, 3 of those wins coming by the way of knock out and 5 by submission.
Kayla Harrison will make her way to the cage with a record of 18 wins, 1 loss and 0 draws, 6 of those wins coming by knock out and 7 by submission.
The stats suggest Harrison has a slight advantage in power over Pena, with a 33% knock out percentage over Pena's 25%.
Julianna Pena is the older woman by 1 year, at 35 years old.
Harrison has a height advantage of 2 inches over Pena. Despite this, she has a 4-inch reach advantage.
Pena is arguably the more experienced fighter, having had 2 fewer fights, and made her debut in 2009, 9 years and 1 month earlier than Harrison, whose first professional fight was in 2018. She has fought 2 more professional rounds, 42 to Harrison's 40.
Pena vs Harrison betting form
Julianna Pena has beaten 2 of her last 5 opponents.
In her last fight, she won against Raquel Pennington at UFC 307 on 5th October 2024 by split decision in their UFC Women’s Bantamweight championship fight at Vivint Arena, Salt Lake City, United States.
Previous to that, she had lost to Amanda Nunes at UFC 277 on 30th July 2022 by unanimous decision in their championship fight at Madison Square Garden, New York City.
Going into that contest, she had beaten Amanda Nunes at UFC 269 on 11th December 2021 by submission in the 2nd round in their championship fight at UFC APEX, Las Vegas.
Before that, she had been beaten by Germaine de Randamie at UFC Fight Island 4 on 3rd October 2020 by submission in the 3rd round at UFC Fight Island, Abu Dhabi, United Arab Emirates.
She had been defeated by Valentina Shevchenko at UFC on FOX 23 on 28th January 2017 by submission in the 2nd round at Pepsi Center, Denver, United States.
Kayla Harrison has beaten 4 of her last 5 opponents.
In her last fight, she defeated Ketlen Vieira at UFC 307 on 5th October 2024 by unanimous decision in their 3 round contest at Vivint Arena, Salt Lake City, United States.
Previous to that, she was victorious against Holly Holm at UFC 300 on 13th April 2024 by submission in the 2nd round at T-Mobile Arena, Las Vegas.
Going into that contest, she had won against Aspen Ladd at PFL 10: 2023 PFL World Championship on 24th November 2023 by unanimous decision in their 3 round contest at The Anthem, Washington.
Before that, she had lost to Larissa Pacheco at PFL 2022 #10 -World Championship on 25th November 2022 by unanimous decision in their 5 round contest at Hulu Theater, Madison Square Garden, New York.
She had beaten Martina Jindrova at PFL 2022 #9 on 20th August 2022 by submission in the 1st round at Copper Box Arena, London, United Kingdom.
Who's been more active?
In terms of recent activity, Kayla Harrison has been fighting more than Julianna Pena.
Julianna Pena last fought 6 months and 14 days ago, while Kayla Harrison's last outing was 6 months and 14 days ago.
Pena's last 5 fights have come over a period of 8 years, 2 months and 22 days, meaning she has been fighting on average every 1 year, 7 months and 23 days. In those fights, she fought a total of 17 rounds, meaning that they have lasted 3.4 rounds on average.
Harrison's last 5 fights have come over a period of 2 years, 7 months and 30 days, meaning she has been fighting on average every 6 months and 13 days. In those fights, she fought a total of 14 rounds, meaning that they have lasted 2.8 rounds on average.
