The Tree-Athlon is a 5k annual fun run which raises funds for Trees for Cities

Trees for Cities

-History:The charity was founded in 1993, initially as Trees for London to "advance the education of the public in the appreciation of trees and their amenity value, and in furtherance of this the planting and protection of trees everywhere, and in particular inner city areas"...

. It has been held in Leeds

Leeds

Leeds is a city and metropolitan borough in West Yorkshire, England. In 2001 Leeds' main urban subdivision had a population of 443,247, while the entire city has a population of 798,800 , making it the 30th-most populous city in the European Union.Leeds is the cultural, financial and commercial...

, Manchester

Manchester

Manchester is a city and metropolitan borough in Greater Manchester, England. According to the Office for National Statistics, the 2010 mid-year population estimate for Manchester was 498,800. Manchester lies within one of the UK's largest metropolitan areas, the metropolitan county of Greater...

 and London

London

London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

.

Event information

The event historically consisted of a 5k run, a tree wish, and a sapling, which participants could take home and plant.

Guinness World Record attempt

An attempt to stage the world's largest barefoot run was successful, with 278 participants running 100m.

2011 Event

The 2011 event will also be held in London, in Battersea Park on the 17th September. An attempt will be made to regain the Guinness World Record.