Medical and compliance record for Conor McGregor: 1 anti-doping sanction, 4 injury records, 11 anti-doping testing entries. Every entry is dated and linked to its source.
This page reproduces publicly reported regulatory and medical-administrative records. Every entry names the body that issued it. Anti-doping testing entries are counts of publicly reported test sessions and are not pass/fail results — a test session is not a positive test. Records are reproduced as published and are not medical advice.
1Anti-doping sanctions
0Medical suspensions
4Injury records
11Testing entries
Anti-doping sanction (1)
Anti-doping suspension / ineligibility
Anti-doping sanction
McGregor missed three attempted biological sample collections within a 12-month period in 2024, which constitutes a violation of the UFC ADP. UFC athletes are required to provide accurate whereabouts information at all times, so they can be contacted and submit to biological sample collections without prior warning. McGregor’s missed tests occurred on June 13, September 19, and September 20, 2024, and were each classified as Whereabouts Failures by CSAD under the UFC ADP.
Date
7 October 2025
Status
Suspended / sanctioned
Suspension length
18 Month
Period start
20 September 2024
Period end
20 March 2026
Issuing body
Combat Sports Anti-Doping (CSAD)
Issued by: Combat Sports Anti-Doping (CSAD)
Injury / withdrawal (4)
Knee injury at UFC 329
Injury / withdrawal
McGregor sustained a knee injury in the opening seconds of his UFC 329 bout with Max Holloway. The contest was stopped at 1:09 of round one, and McGregor subsequently announced that he would undergo surgery.
Date
11 July 2026
Status
In-fight injury / surgery announced
Injury
Right knee injury requiring surgery
Timing
During fight
Event
UFC 329: McGregor vs. Holloway 2
Opponent
Max Holloway
Issuing body
Ultimate Fighting Championship
Issued by: Ultimate Fighting Championship
Broken toe forced UFC 303 withdrawal
Injury / withdrawal
McGregor said a broken toe suffered in training forced him out of his scheduled UFC 303 fight against Michael Chandler. Contemporary reporting identified this as his first UFC bout withdrawal due to injury.
Date
13 June 2024
Status
Withdrew due to verified injury
Injury
Broken toe
Timing
Before scheduled fight / training
Event
UFC 303: Pereira vs. Prochazka 2
Opponent
Michael Chandler
Next fight
11 July 2026 vs Max Holloway
Days to next fight
758
Issuing body
Fighter disclosure reported by ESPN
Issued by: Fighter disclosure reported by ESPN
Broken left leg at UFC 264
Injury / withdrawal
The UFC 264 result report states that McGregor suffered a leg injury at the end of round one against Dustin Poirier and appeared to break his left leg, causing a doctor-stoppage TKO. He did not complete another bout until July 2026.
Date
10 July 2021
Status
In-fight injury / prolonged rehabilitation
Injury
Broken left lower leg near the ankle
Suspension length
Five years between completed UFC bouts
Timing
During fight
Event
UFC 264: Poirier vs. McGregor 3
Opponent
Dustin Poirier
Next fight
11 July 2026 vs Max Holloway
Days to next fight
1827
Issuing body
Ultimate Fighting Championship
Issued by: Ultimate Fighting Championship
Torn ACL during Max Holloway bout
Injury / withdrawal
McGregor later stated in an official UFC interview that he tore his ACL midway through the second round against Max Holloway and adapted to finish the fight.
Date
17 August 2013
Status
In-fight injury / later disclosed
Injury
Torn anterior cruciate ligament (ACL)
Timing
During fight
Event
UFC Fight Night: Shogun vs. Sonnen
Opponent
Max Holloway
Next fight
19 July 2014 vs Diego Brandão
Days to next fight
336
Issuing body
Ultimate Fighting Championship
Issued by: Ultimate Fighting Championship
Anti-doping testing activity (11)
2026 UFC ADP testing activity
Anti-doping testing activity
15 publicly reported test sessions in 2026. This count is not a pass/fail result.
Date
2026
Status
Testing activity
Test sessions reported
15
Issuing body
UFC Anti-Doping Program / CSAD
Issued by: UFC Anti-Doping Program / CSAD
2025 UFC ADP testing activity
Anti-doping testing activity
7 publicly reported test sessions in 2025. This count is not a pass/fail result.
Date
2025
Status
Testing activity
Test sessions reported
7
Issuing body
UFC Anti-Doping Program / CSAD
Issued by: UFC Anti-Doping Program / CSAD
2024 UFC ADP testing activity
Anti-doping testing activity
11 publicly reported test sessions in 2024. This count is not a pass/fail result.
Date
2024
Status
Testing activity
Test sessions reported
11
Issuing body
UFC Anti-Doping Program / CSAD
Issued by: UFC Anti-Doping Program / CSAD
2023 UFC ADP testing activity
Anti-doping testing activity
5 publicly reported test sessions in 2023. This count is not a pass/fail result.
Date
2023
Status
Testing activity
Test sessions reported
5
Issuing body
UFC Anti-Doping Program / CSAD
Issued by: UFC Anti-Doping Program / CSAD
2021 UFC ADP testing activity
Anti-doping testing activity
7 publicly reported test sessions in 2021. This count is not a pass/fail result.
Date
2021
Status
Testing activity
Test sessions reported
7
Issuing body
UFC Anti-Doping Program / CSAD
Issued by: UFC Anti-Doping Program / CSAD
2020 UFC ADP testing activity
Anti-doping testing activity
6 publicly reported test sessions in 2020. This count is not a pass/fail result.
Date
2020
Status
Testing activity
Test sessions reported
6
Issuing body
UFC Anti-Doping Program / CSAD
Issued by: UFC Anti-Doping Program / CSAD
2019 UFC ADP testing activity
Anti-doping testing activity
6 publicly reported test sessions in 2019. This count is not a pass/fail result.
Date
2019
Status
Testing activity
Test sessions reported
6
Issuing body
UFC Anti-Doping Program / CSAD
Issued by: UFC Anti-Doping Program / CSAD
2018 UFC ADP testing activity
Anti-doping testing activity
8 publicly reported test sessions in 2018. This count is not a pass/fail result.
Date
2018
Status
Testing activity
Test sessions reported
8
Issuing body
UFC Anti-Doping Program / CSAD
Issued by: UFC Anti-Doping Program / CSAD
2017 UFC ADP testing activity
Anti-doping testing activity
4 publicly reported test sessions in 2017. This count is not a pass/fail result.
Date
2017
Status
Testing activity
Test sessions reported
4
Issuing body
UFC Anti-Doping Program / CSAD
Issued by: UFC Anti-Doping Program / CSAD
2016 UFC ADP testing activity
Anti-doping testing activity
9 publicly reported test sessions in 2016. This count is not a pass/fail result.
Date
2016
Status
Testing activity
Test sessions reported
9
Issuing body
UFC Anti-Doping Program / CSAD
Issued by: UFC Anti-Doping Program / CSAD
2015 UFC ADP testing activity
Anti-doping testing activity
4 publicly reported test sessions in 2015. This count is not a pass/fail result.