Most people riding a surfboard
Who
Epic Big Board Ride, Visit Huntington Beach
What
66 people
Where
United States (Huntington Beach)
When

The most people riding a surfboard is 66, and was achieved by Visit Huntington Beach and the Epic Big Board Ride (both USA) in Huntington Beach, California, USA, on 20 June 2015.

The surfboard measured 42 feet long, and was designed by the same team responsible for the prior successful attempt at this record in Australia in 2005.