Most live concerts in 24 hours (multiple cities)
Hunter Hayes
United States 10 different cities in New England

The most live concerts performed in 24 hours in multiple cities is ten, and was achieved by Hunter Hayes (USA) at various cities in the USA on 9-10 May 2014.

The attempt was celebrating the May 6th release of his new album Storyline. The tour was also a fundraiser for Feeding America, the nation's leading domestic hunger-relief charity.