Highest urban highline walk with harness (ISA-verified)
Murzaev Vladimir, Nathan Pauling, Mia Noblet, Friedi Kuhne, Skripko Gennagy, Gribanov Alexander, Kagin Maxim
350 metre(s)
Russian Federation (Moscow)

The highest crossing of a slackline over an urban area, under International Slackline Association (ISA) rules, is 350 m (1,148 ft) and was achieved by Alexander Gribanov, Maxim Kagin, Vladimir Murzaev, Gennady Skripko (all Russia), Mia Noblet (Canada), Friedi Kuhne (Germany) and Nathan Pauling (France), who walked between the OKO Tower and Neva Tower at Moscow-City in Moscow, Russia, on 8 September 2019.

The attempt, organized by Anna Vlasova of Slackline Tribe (Russia), was made in the Moscow business district on the 872nd anniversary of the founding of Russia's capital city. The distance between the two buildings was measured at 216 m (708 ft).