According to Official Guinness Records,
The largest high heel race was achieved by 967 participants at an event organised by Women's Bureau, Inc. (USA) at Headwaters Park in Fort Wayne, Indiana, USA, on 11 September 2010.
The attempt raised funds to support counseling for victims of sexual assault in Fort Wayne.
For a complete list of 2010 records, please visit 2010 Guinness Records in United States.