According to Official Guinness Records,
The Flying Wallendas (USA) performed an eight person pyramid suspended at a height of 7.62 m. (25 ft) at Sarasota, Florida, USA on 20 February 2001 for Guinness World Records: Primetime. The attempt was made without using a safety net or harness.
For a complete list of 2001 records, please visit 2001 Guinness Records in United States.