Stair climbing - vertical height in 24 hours

According to Official Guinness Records,

The record for the greatest vertical height ascended by climbing stairs is 18,585 m (60,974 ft 4 in) and was set by Kurt Hess (Switzerland) who climbed the 45 m Esterli Tower in Lenzburg, Switzerland, and descended by foot 413 times on 5-6 October 2007.

For a complete list of 2007 records, please visit 2007 Guinness Records in Switzerland.

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Other Switzerland records that might interest you:

• Largest snowboard
• First sports car to be fully submersible
• Greatest combined weight for a world title fight
• Largest double bass
• Tallest beer dispenser/tower