Danny Mackey, head coach of the Brooks Beasts Track Club (RBR Archives), presents a section focused on simulation within sessions. The video is billed as covering the 800 m, and forms part of a series titled “Danny Mackey Explains it all”. The whole aims at content that coaches would want to see, according to the provided description.
The discussion is based on the club’s roster, which includes runners able to cover distances from 800 m up to 10,000 m. In this sequence, Danny Mackey mentions more specifically a solid group of runners specialising in the 800 m / 1,500 m. The description also lists athletes’ names directly associated with the 800 m simulation.
For 800 m simulations, the source cites Brandon Miller, Brandon Kidder and Isaiah Harris. The personal bests mentioned provide context for the athletes featured in the video: Brandon Miller shows a PB of 1:42.19 in 2026, while Isaiah Harris has indoor and 800 m PBs across two seasons. Brannon Kidder is also linked to 2025 indoor and outdoor records.
The video is presented as a “classic” reference dating back to 2016, connected to the US Olympic Trials. The description also indicates that the sequence is recorded and highlighted by The Shoe Addicts, featuring AJ Felice, Mike Deering and Adam Johnson-Eder, and specifies a form of thanks for their video work.