According to Official Guinness Records,
The fastest 100m carrying an egg on a spoon in the mouth is 18.47 seconds and was achieved by David Rush (USA) at Capital High School in Boise, Idaho, USA, on 13 March 2018. David made his record-breaking attempt to promote STEM education.
For a complete list of 2018 records, please visit 2018 Guinness Records in United States.