Hayley McNiff died in August at the age of 37
November 10
2025
– 10:25 pm
(Updated at 10:53 p.m.)
The cause of death of the bodybuilder and fitness influencer Hayley McNiff was revealed on Monday, 10. The athlete died at the age of 37 in August due to an accidental overdose.
State Department of Public Safety Notified the state of Massachusetts in the United States TMZ website That a combination of drugs caused Hayley’s death. Records of cocaine, heroin, fentanyl and other substances were found in her body.
The bodybuilder’s overdose was considered accidental.
Hayley McNiff was born and raised in Concord, Massachusetts. She entered the world of bodybuilding in adulthood and had a strong name in the sport in the early 2000s. The main tournament that the athlete won was in 2009, a competition held on the east coast of the United States.
She starred in a bodybuilding documentary Raise the barin 2016, but later moved away from sports and graduated in psychology.