Zone 1 covers the West End, the Holborn district, Kensington, Paddington and the City of London, as well as Old Street, Angel, Pimlico, Tower Gateway, Aldgate East, Euston, Vauxhall, Elephant & Castle, Borough, London Bridge, Earl's Court, Marylebone, Edgware Road, Lambeth North and Waterloo.
The theory is that you use Z2 to get in the training without overtaxing yourself and therefore give your body the proper recovery it needs to make your hard days hard. Z3 used to be referred to as “junk miles” because they were not hard enough to stimulate growth/adaptation, but not easy enough to facilitate recovery.
Tourists normally use zone 1 where most of the tourist attractions are located, along with a lot of the popular hotel districts. Some of London's trendy neighbourhoods like Camden and Notting Hill are located in Zone 2.
Shoreditch High Street station on the London Overground line* is a Zone 1 station that sits between two Zone 2 stations, Hoxton and Whitechapel. It is the only station on the entire line that sits in Zone 1. The rest of the stations on the Overground line sit in Zones 2, 3, 4 and 5.
Covent Garden is a London Underground station serving Covent Garden and the surrounding area in the West End of London. It is on the Piccadilly line between Leicester Square and Holborn stations and is in Travelcard Zone 1.
Fare zone 4 is an outer zone of Transport for London's zonal fare system used for calculating the price of tickets for travel on the London Underground, London Overground, Docklands Light Railway and, since 2007, on National Rail services.
Hampstead is a London Underground station in Hampstead, North London, England. It is on the Edgware branch of the Northern line, between Golders Green and Belsize Park stations. The branch's northernmost subterranean station, it is on the boundary between Travelcard Zone 2 and Zone 3.
But Zone 2 in East London and South London has some relatively high crime areas, and a significant number of people living in social housing. The best Zone 2 areas are in North London along the Hampstead branch of the Northern Line underground, and the Jubilee line going through St. John's Wood.