Transcript for World Record Attempt for Most People Surfing On a Single Board
Absolutely. Here's something that the beach boys never could have fathom when they wrote their songs about fun in the California sun. Massive surfboard. World record attempt for sure. Trying to get the most people on the board. Did they do it? Unequivocally, Paula, not a joke. If you have been surfing it's tough enough with one person on the board. Imagine bringing 65 of your closest friends along for the ride. Check it out. Overnight, surf city, usa, living up to its name, as thousands stand by to watch . As surfers attempt the world record for largest surf board and most people riding a surf board at once. They flakd to the stands to watch. This gnarly board standing at 42 feet tall and 11 feet wide. Big board. Reporter: Once they finished the massive board, it takes a crane to get this board out into the water and here they are, riding the wave to victory, no wipeouts here, these dudes and dudettes, they lasted for 12. How many people does it take to make history? They had 66 people today. Reporter: The title of world's largest surf board, while it won't be official until next week, "Good morning America" is told surf city, usa, has it in the bag. What better way to welcome in summer than that. I like that you clarified dudes and dudettes. I think that fits in every needs a hobby category. Did you see those selfie cameras? Oh. Back to you, we were talking about that extraordinary lightning display.
This transcript has been automatically generated and may not be 100% accurate.