Cycling – most vertical metres in 24 hours

The record for the most verical metres cycled in 24 hours is 20,049.9 m (65,780 ft 4 in) and was achieved by Horst and Gernot Turnowsky (both Austria) at the Rinnegger highway, from Weinitzen to St. Radegund, Graz-Umgebund, Austria, from 30 June to 1 July 2007.

Horst and Gernot Turnowsky are twins and they made this attempt together during the 24 hours.