As reported by the Evolution of Bodybuilding, Joanna died Friday, July 29. The publication published the last photo that Wilson posted to social media. She was photographed with her husband, Jay Wilson, as they were on their way to Las Vegas. According to the report, Wilson was preparing for the 2016 NPC USA Bodybuilding Championships and IFBB Pro Qualifier, which was held Friday, July 29, and Saturday, July 30, in Las Vegas.
Indeed, as most bodybuilding participants know, the week prior to a big competition is called "peak week. This is the week that competitors' bodies are expected to go through the most changes in a process that sometimes involves 12 or 16 weeks worth of previous preparations for a show.