Most participants in a swimming relay in one hour (60 ft pool)

Most participants in a swimming relay in one hour (60 ft pool)
Who
The Foundation for Aquatic Safety and Training, Joseph Zemaitis, Founder
What
281 people
Where
United States (Phoenix,Valley Park Pool)
When
The most participants in a swimming relay in one hour is 281, achieved by the Foundation for Aquatic Safety and Training (FAST) and its founder, Joseph Zemaitis (USA), in Phoenix, Arizona, USA, on 25 August 2012.