Largest gathering of people wearing helmets

According to Official Guinness Records,

The largest gathering of people wearing helmets is 3,929 and was achieved by Ministry of Interior (UAE) at Baniyas stadium, in Abu Dhabi, UAE, on 13 March 2016. Students of the police academy created a formation with UAE flag colours

For a complete list of 2016 records, please visit 2016 Guinness Records in United Arab Emirates.

Other United Arab Emirates records that might interest you:

• Most pull ups in 12 hours (female)
• Most pull ups in one hour (female)
• Fastest vehicle drift
• Heaviest bag of rice
• Fastest time full body bus wrapping (team)
• Most water moved by the hands in one minute (team of 8)