A-Z Prague Guide
Covers everything from fitness centres to tennis courts.
http://a-ztravelguides.com/world/europe/czech-republic/prague/sport.html

Columbus Guides
A guide to fitness and sports facilities in Prague.
http://www.cityguide.travel-guides.com/cities/pra/Sport.asp

Prague City Server
Sports equipment, bowling, golf, horses, skating, squash and tennis.
http://www.a-zprague.cz/prague_guide.php?lang=en&parent=sport

Prague Czech
Links to sporting venues in Prague.
http://www.prague-czech.cz/prague-czech/htm/entertainment/sport.php

Prague International Marathon
Official website of the annual run.
http://www.pim.cz/

Talking Cities
Links to the websites of the city's major football clubs.
http://www.talkingcities.co.uk/prague_pages/entertainment_sport.htm