United States
  • Arkansas:

    • Little Rock (2005)

  • Arizona:

    • Phoenix (2005; until 2008)

  • California:

    • Inland Empire (2008)

    • Los Angeles (2002)

    • San Diego (2004)

    • San Francisco (2003)

    • San Jose (2007)

  • Colorado:

    • Denver (2005)

  • Connecticut:

    • New Haven (2011)

  • District of Columbia:

    • Washington (2001)

  • Florida:

    • Jacksonville (2007)

    • Miami (2005)

    • Orlando (2008)

    • Tampa-St. Petersburg (2007)

  • Georgia:

    • Atlanta (2002)

    • Savannah (2009)

  • Hawaii:

    • Honolulu (2007; until 2008)

  • Illinois:

    • Chicago (2005)

  • Indiana:

    • Indianapolis (2007)

  • Iowa:

    • Des Moines (2005)

  • Kentucky:

    • Louisville (2006)

    • Paducah (2009)

  • Maine:

    • Portland (2006)

  • Maryland:

    • Baltimore (2005)

  • Massachusetts:

    • Boston (2003)

  • Michigan:

    • Detroit (2008)

  • Minnesota:

    • Minneapolis (2004)

  • Mississippi:

    • Jackson (2012)

  • Missouri:

    • Kansas City (2008)

    • St. Louis (2004)

  • Nevada:

    • Black Rock City (2005)

    • Las Vegas (2005)

  • New Mexico:

    • Albuquerque (2006)

  • New York:

    • Buffalo (2007)

    • New York City (2002)

  • North Carolina:

    • Asheville (2005)

    • Charlotte (2014)

    • Greensboro (2004)

  • North Dakota:

    • Fargo (2006; did not participate in 2010)

  • Ohio:

    • Cincinnati (2003)

    • Cleveland (2007)

    • Columbus (2008)

  • Oklahoma:

    • Oklahoma City (2011)

  • Oregon:

    • Portland (2004)

  • Pennsylvania:

    • Philadelphia (2002)

    • Pittsburgh (2007)

  • Rhode Island:

    • Providence (2006)

  • South Dakota:

    • Aberdeen (2005 only)

  • Tennessee:

    • Memphis (2012)

    • Nashville (2003)

  • Texas:

    • Austin (2002)

    • Dallas (2007)

    • Houston (2005)

    • San Antonio (2007)

  • Utah:

    • Salt Lake City (2007)

  • Virginia:

    • Hampton Roads (2007)

    • Richmond (2007)

  • Washington:

    • Seattle (2005)

  • Wisconsin:

    • Madison (2007)

    • Milwaukee (2007)

Australia
  • Brisbane (2004)

  • Melbourne (2008)

  • Sydney (2008)

Belgium
  • Antwerp (2009 only)

  • Brussels (2012)

  • Ghent (2007 only)

Brazil
  • São Paulo (2011 only)

Canada
  • Montreal, Quebec (2012)

  • Toronto, Ontario (2008)

China
  • Beijing (2009)

  • Hong Kong (2009; until 2010)

  • Shanghai (2011)

Curaçao
  • Willemstad (2014)

Czech Republic
  • Prague (2011)

Egypt
  • Cairo (2012)

France
  • Dijon (2011)

  • Lyon (2012)

  • Montpellier (2014)

  • Paris (2005)

Germany
  • Berlin (2007)

India
  • Delhi (2011)

  • Hyderabad (2012)

  • Mumbai (2008)

Israel
  • Tel Aviv (2007)

Italy
  • Rome (2007)

Jordan
  • Amman (2012)

Lebanon
  • Beirut (2011)

Lithuania
  • Vilnius (2012)

Malaysia
  • Kuala Lumpur (2010)

Netherlands
  • Amsterdam (2007)

  • Nijmegen (2010)

  • Rotterdam (2012)

Poland
  • Kraków (2012)

  • Warsaw (2011)

Portugal
  • Castelo Branco (2014)

  • Lisbon (2009)

Romania
  • Brașov (2011)

Scotland
  • Dundee (2012)

  • Edinburgh (2008)

  • Glasgow (2011)

South Africa
  • Cape Town (2012)

  • Johannesburg (2010)

South Korea
  • Seoul (2009)

Spain
  • Barcelona (2011)

  • Granada (2010)

  • Madrid (2012)

  • Málaga (2012)

  • Seville (2011)

Switzerland
  • Renens (2012)

Taiwan
  • Kaohsiung (2011)

Tunisia
  • Tunis (2014)

Turkey
  • İstanbul (2012)

United Arab Emirates
  • Dubai (2011)

United Kingdom
  • London (2004)

Vietnam
  • Hanoi (2011)

  • Ho Chi Minh City (2010)

  • Active Participating Cities: 89

  • Active Participating Countries: 33