
- Who
- Hour of Power, Honley High School
- What
- 978 people
- Where
- United Kingdom (Honley, Huddersfield,The Honley High School sports ground)
- When
The greatest number of people participating in an aerobic weight training class at a single venue is 978 and was achieved by Hour of Power and Honley High School (both UK), in Honley, Huddersfield, UK, on 12 July 2011.