Parkour, sometimes known as Free Running is a combination of gymnastics and running. Participants, known as Traceurs, use the urban landscape in unconventional ways, for example, jumping barriers or scaling walls rather than going around them.
English Le Parkour group discussing training tips, technique, gear and safety. With crew listing and picture gallery. http://groups.msn.com/leparkourenglish
A community of Parkour enthusiasts from Hampshire and the South Coast of the UK. Includes video, pictures, local hotspots, calendar, history, and forum. http://www.ludopathic.co.uk/southcoastparkour/
Photo gallery and profiles of members of the Levity group from Devon, England. Includes tutorials, media, articles and discussion forum. http://www.screwgravity.com/
News, events and forum for a group of UK traceurs. Includes profiles of key people in the sport, pictures, video clips, tips and tutorials. http://www.urbanfreeflow.com/
A resource for traceurs and people wanting to learn about the sport. Includes tutorials, tricks and training information, downloads, message board and contacts. http://www.parkour.org.uk/
Home of Sabastian Foucan who is considered one of the co-founders of the sport. Freatures videos, photos, history, and philosophy. http://sebastien.foucan.club.fr/
Article that gives an overview of the sport. Includes history, interview with the co-founder, and the impact of commercialization. http://en.wikipedia.org/wiki/Parkour
Toronto, Canada based Parkour network with image gallery, forum, links, and general information helpful to participants of the sport. http://www.pkto.ca/