Knight told News.com.au she booked a venue and opened registrations to anyone who wanted to join.
Every man wore a pink balaclava and protection was mandatory throughout the event.
Knight shared footage on Instagram and gave a play-by-play on her podcast, Annie Knight Unhinged.
Each participant had between 30 seconds to a minute, depending on how things went.
“Sometimes we’d have a group of 10 and eight of them were struggling… so the ready guys got longer,” she explained.
The session was split into hour-long slots with 15-minute breaks to rest.
Knight said she focused more on timing and content capture than on the actual sex.
“I blinked and it was over,” she said about the entire marathon.