Aaron Chalmers

Aaron Chalmers (born 26 May 1987) is an English retired mixed martial artist, reality television personality and professional boxer. He appeared in the reality shows Geordie Shore and Ex on the Beach. He competed in Bellator MMA.

Television career On 4 April 2014, it was announced that Chalmers had joined the cast of Geordie Shore for the eighth series. He left the series after sixteenth series. In 2025, his return for twenty-sixth series was announced.

He appeared in the sixth series of Ex on the Beach as the ex of Maisie Gillespie. The series began airing on 17 January 2017. In 2019, Chalmers began starring in the MTV series Geordie Shore OGs, a spinoff series of Geordie Shore. Before becoming well-known, he worked as a scaffolder on an oil rig.

Mixed martial arts career BAMMA (2017) Having previously practiced Muay Thai, he had his first MMA fight in May 2017, beating Greg Jenkins. He won his second professional fight at BAMMA 31 at the SSE Arena beating Alex Thompson by KO on 15 September 2017. His third and final fight for BAMMA was a win (by TKO) against Karl Donaldson on 15 December in his home town arena the Metro Radio Arena in Newcastle.

Bellator (2018–2021) In March 2018, Chalmers announced he would be joining Bellator. He had his first fight against Ash Griffiths on 25 May 2018 for the Bellator 200 event at Wembley Arena. He won the fight via technical submission in the first round. In his second outing for the promotion, Chalmers suffered his first defeat as a professional fighter, as he was defeated by American Corey Browning by submission in the third round. In June 2019, Chalmers returned to the win column with a submission victory over Fred Freeman.

Chalmers next faced Austin Clem in a welterweight bout at Bellator 240 on February 22, 2020. He lost the bout via unanimous decision (30-27 x2, 30-26).

Chalmers announced his retirement from MMA competition in an IGTV video posted on 18 February 2021.

Boxing career

Professional career

Chalmers vs Zeledon Chalmers made his switch from MMA to Boxing in March 2022. Chalmers had his first professional fight against Alexander Zeledon on 17 June 2022. Chalmers won the bout by outpointing his opponent 39-37 on the judges cards.

Chalmers vs Virgo

On 30 August 2023, it was announced that Chalmers would face English professional boxer Idris Virgo (13-0-1) as the headliner to MF & DAZN: X Series 009 at the Vertu Motors Arena in Newcastle upon Tyne, England on 23 September 2023. Virgo defeated Chalmers via third round technical knockout.

Exhibition bouts

Mayweather Jr. vs Chalmers In January 2023, it was announced that Chalmers would face former unified multiple division champion Floyd Mayweather Jr. in an exhibition bout, after his original opponent for the fight, Muay Thai fighter Liam Harrison, pulled out. The bout took place at the O2 Arena in London, England on 25 February 2023. The bout went the full 8 rounds, there was no scoring and it ended without an official verdict

Chalmers vs Crosbie On 15 July 2023, Chalmers fought Irish mixed martial artist Kiefer Crosbie as a "wildcard" bout on the High Stakes Tournament Semi-Finals undercard at the 3Arena in Dublin, Ireland. Crosbie defeated Chalmers via unanimous decision with judges' scorecards of 50-45 (twice) and 48-45 in Crosbie's favour.

Bare-knuckle boxing Chalmers made his Bare Knuckle Fighting Championship debut against Chas Symonds on 5 April 2025 at BKFC 72 Dubai: Day 2. He won the fight by technical knockout in the third round.

Chalmers faced Darren Till on 30 May 2026 at BKFC 90. He lost the fight by knockout in the second round.

Filmography

Mixed martial arts record Loss

Austin Clem Decision (unanimous) Bellator 240

Dublin, Ireland Welterweight bout. Win

Fred Freeman Submission (triangle choke) Bellator 223

London, England Catchweight (160 lbs) bout. Loss

Corey Browning Submission (heel hook) Bellator Newcastle

Utilita Arena, Newcastle, England, United Kingdom Lightweight debut Win

Ash Griffiths Technical Submission (guillotine choke) Bellator 200

The SSE Arena, London, England, United Kingdom Catchweight (163 lbs) bout. Win

Karl Donaldson TKO (punches) BAMMA 33

Metro Radio Arena, Newcastle, England, United Kingdom Win

Alex Thompson KO (punch) BAMMA 31

The SSE Arena, London, England, United Kingdom Win

Greg Jenkins Submission (Americana) BAMMA 29

Genting Arena, Birmingham, England, United Kingdom

Boxing record Professional

MF–Professional

ResultRecordOpponentTypeRound, timeDateLocationNotes 1 Loss 0–1Idris Virgo 3 (5), 23 Sep 2023

Exhibition

Bare knuckle boxing record Loss

Darren Till KO (punch) BKFC 90

Birmingham, England Win

Jack Fincham TKO (straight right) BKFC 81

Manchester, England Win

Chas Symonds TKO (left hook) BKFC 72 Dubai: Day 2

Dubai, United Arab Emirates