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.
2Anti-doping sanctions
0Medical suspensions
0Injury records
12Testing entries
Anti-doping sanction (2)
Anti-doping suspension / ineligibility
Anti-doping sanction
USADA announced today that an independent arbitrator has rendered a decision in the case of Jon Jones, of Rochester, N.Y., and determined that Jones should receive a 15-month sanction for his second violation of the UFC Anti-Doping Policy. This decision comes after the facts of the case were presented and fully argued at an evidentiary hearing on September 15, 2018.
Date
19 September 2018
Status
Suspended / sanctioned
Substance
4-chloro-18-nor-17β-hydroxymethyl,17α-methyl-5α-androst-13-en-3α-ol (M3), a metabolite of dehydrochlormethyltestosterone (DHCMT), or another chlorine-substituted anabolic steroid
Suspension length
15 months
Sample collected
28 July 2017
Period start
28 July 2017
Period end
28 October 2018
Issuing body
U.S. Anti-Doping Agency (USADA)
Issued by: U.S. Anti-Doping Agency (USADA)
Anti-doping suspension / ineligibility
Anti-doping sanction
USADA announced today that an independent three-member arbitration panel from McLaren Global Sports Solutions, Inc. (MGSS) has rendered its decision in the case of UFC ® athlete, Jon Jones, of Rochester, N.Y., and determined that Jones should receive the maximum one-year period of ineligibility for his anti-doping policy violation. This decision comes after the facts of the case were presented and fully argued at a day-long evidentiary hearing on October 31, 2016.
Date
7 November 2016
Status
Suspended / sanctioned
Substance
two prohibited substances, clomiphene and letrozole
Suspension length
1 year
Sample collected
16 June 2016
Period start
6 July 2016
Period end
6 July 2017
Issuing body
U.S. Anti-Doping Agency (USADA)
Issued by: U.S. Anti-Doping Agency (USADA)
Anti-doping testing activity (12)
2026 UFC ADP testing activity
Anti-doping testing activity
3 publicly reported test sessions in 2026. This count is not a pass/fail result.
Date
2026
Status
Testing activity
Test sessions reported
3
Issuing body
UFC Anti-Doping Program / CSAD
Issued by: UFC Anti-Doping Program / CSAD
2025 UFC ADP testing activity
Anti-doping testing activity
4 publicly reported test sessions in 2025. This count is not a pass/fail result.
Date
2025
Status
Testing activity
Test sessions reported
4
Issuing body
UFC Anti-Doping Program / CSAD
Issued by: UFC Anti-Doping Program / CSAD
2024 UFC ADP testing activity
Anti-doping testing activity
5 publicly reported test sessions in 2024. This count is not a pass/fail result.
Date
2024
Status
Testing activity
Test sessions reported
5
Issuing body
UFC Anti-Doping Program / CSAD
Issued by: UFC Anti-Doping Program / CSAD
2023 UFC ADP testing activity
Anti-doping testing activity
12 publicly reported test sessions in 2023. This count is not a pass/fail result.
Date
2023
Status
Testing activity
Test sessions reported
12
Issuing body
UFC Anti-Doping Program / CSAD
Issued by: UFC Anti-Doping Program / CSAD
2022 UFC ADP testing activity
Anti-doping testing activity
4 publicly reported test sessions in 2022. This count is not a pass/fail result.
Date
2022
Status
Testing activity
Test sessions reported
4
Issuing body
UFC Anti-Doping Program / CSAD
Issued by: UFC Anti-Doping Program / CSAD
2021 UFC ADP testing activity
Anti-doping testing activity
8 publicly reported test sessions in 2021. This count is not a pass/fail result.
Date
2021
Status
Testing activity
Test sessions reported
8
Issuing body
UFC Anti-Doping Program / CSAD
Issued by: UFC Anti-Doping Program / CSAD
2020 UFC ADP testing activity
Anti-doping testing activity
20 publicly reported test sessions in 2020. This count is not a pass/fail result.
Date
2020
Status
Testing activity
Test sessions reported
20
Issuing body
UFC Anti-Doping Program / CSAD
Issued by: UFC Anti-Doping Program / CSAD
2019 UFC ADP testing activity
Anti-doping testing activity
13 publicly reported test sessions in 2019. This count is not a pass/fail result.
Date
2019
Status
Testing activity
Test sessions reported
13
Issuing body
UFC Anti-Doping Program / CSAD
Issued by: UFC Anti-Doping Program / CSAD
2018 UFC ADP testing activity
Anti-doping testing activity
9 publicly reported test sessions in 2018. This count is not a pass/fail result.
Date
2018
Status
Testing activity
Test sessions reported
9
Issuing body
UFC Anti-Doping Program / CSAD
Issued by: UFC Anti-Doping Program / CSAD
2017 UFC ADP testing activity
Anti-doping testing activity
8 publicly reported test sessions in 2017. This count is not a pass/fail result.
Date
2017
Status
Testing activity
Test sessions reported
8
Issuing body
UFC Anti-Doping Program / CSAD
Issued by: UFC Anti-Doping Program / CSAD
2016 UFC ADP testing activity
Anti-doping testing activity
6 publicly reported test sessions in 2016. This count is not a pass/fail result.
Date
2016
Status
Testing activity
Test sessions reported
6
Issuing body
UFC Anti-Doping Program / CSAD
Issued by: UFC Anti-Doping Program / CSAD
2015 UFC ADP testing activity
Anti-doping testing activity
1 publicly reported test session in 2015. This count is not a pass/fail result.