Most competitors in a multi-discipline competition

According to Official Guinness Records,

The most competitors in a multi-discipline competition is 3,910,188 and was achieved by Sports Board Punjab (Pakistan) across multiple locations in Pakistan from 23 December 2013 to 5 March 2014.

For a complete list of 2014 records, please visit 2014 Guinness Records in Pakistan.

Other Pakistan records that might interest you:

• Most martial arts kicks in one minute (using one leg) (male)
• Most people waving flags
• Most trees planted in 24 hours (team) - single location
• Largest painting by numbers
• Largest paint swatch
• Greatest distance dribbling a field hockey ball in three minutes (team)