Overview

• CSAD said McGregor missed unannounced sample collections on June 13, September 19, and September 20, 2024, constituting three whereabouts failures within 12 months.
• The ineligibility period is retroactive to September 20, 2024 and ends March 20, 2026, when he becomes eligible to compete.
• The UFC anti-doping program is administered independently by CSAD, with collections by Drug Free Sport International and analysis at WADA-accredited SMRTL in Salt Lake City.
• The timeline keeps open a potential appearance on the proposed June 14, 2026 White House card, though UFC leadership says no fights are finalized.
• McGregor has not fought since July 2021 after a broken leg and submitted four testing samples in 2025 while remaining in the program.