Challenger, ATP Challenger Tour, Professor Challenger, Challenger 2, Challenger 1, BRD Brașov Challenger, Space Shuttle Challenger, Challenger, Gray & Christmas, Challenger de Drummondville, Bombardier Challenger 300, Bombardier Challenger 600 series, Guangzhou International Challenger, Nordic Naturals Challenger, Challenger (train), Champaign–Urbana Challenger, BRD Timișoara Challenger, Deepsea Challenger, Challenger Tractor, Challenger expedition, Dodge Challenger (2008), Space Shuttle Challenger disaster, Bombardier Challenger 850, Challenger de Salinas, STRABAG Challenger Open, 2010 Brașov Challenger, Waterloo Challenger, Challenger 24, Carson Challenger, Challenger Pulcra Lachiter Biella, Quad City Challenger, The Challenger Disaster, Challenger (company), Pune Challenger, Challenger tank, Challenger ATP Cachantún Cup, Challenger La Manche, Challenger Ciudad de Guayaquil, Meerbusch Challenger, León Challenger, Challenger Deep, Volkswagen Challenger
Tallahassee Tennis Challenger, 2018–19 ISU Challenger Series, ATP China Challenger International, AON Open Challenger, WCT Tallinn Mens Challenger, 2017–18 ISU Challenger Series, Calgary Challenger, 2014–15 ISU Challenger Series, 2016–17 ISU Challenger Series, 2009 Brașov Challenger, 2015–16 ISU Challenger Series, Alessandria Challenger, Senior Women's T20 Challenger Trophy, Winnipeg Challenger, Senior Women's Challenger Trophy, USS Challenger, 2011 Ropharma Brașov Challenger, Savannah Challenger, Challenger brand, Cruiser Mk VIII Challenger, Tiburon Challenger, Dodge Challenger, Tempe Challenger, Challenger Cup, 2009 Challenger de Providencia, Dodge Challenger (1970), Challenger Center for Space Science Education, 2014 Città di Como Challenger – Singles, BRD Arad Challenger, Seoul Open Challenger, Green World ATP Challenger, Ben Challenger, 2012 BRD Brașov Challenger, Quito Challenger, São Paulo Challenger de Tênis, Challenger 3, Købstædernes ATP Challenger, Stockton Challenger, BSI Challenger Lugano, Hungarian Challenger Open, HMS Challenger, WCT Tallinn Ladies Challenger, Challenger Society for Marine Science, ATP Challenger 2001 Team Padova, 2013 Fergana Challenger – Men's singles, Istanbul Challenger, Challenger (1990 film), 2011 ATP China Challenger International, 2010 Arad Challenger, Oracle Challenger Series – Houston
Challenger, ATP Challenger Tour, Professor Challenger, Challenger 2, Challenger 1, BRD Brașov Challenger, Space Shuttle Challenger, Challenger, Gray & Christmas, Challenger de Drummondville, Bombardier Challenger 300, Bombardier Challenger 600 series, Guangzhou International Challenger, Nordic Naturals Challenger, Challenger (train), Champaign–Urbana Challenger, BRD Timișoara Challenger, Deepsea Challenger, Challenger Tractor, Challenger expedition, Dodge Challenger (2008), Space Shuttle Challenger disaster, Bombardier Challenger 850, Challenger de Salinas, STRABAG Challenger Open, 2010 Brașov Challenger, Waterloo Challenger, Challenger 24, Carson Challenger, Challenger Pulcra Lachiter Biella, Quad City Challenger, The Challenger Disaster, Challenger (company), Pune Challenger, Challenger tank, Challenger ATP Cachantún Cup, Challenger La Manche, Challenger Ciudad de Guayaquil, Meerbusch Challenger, León Challenger, Challenger Deep, Volkswagen Challenger, Tallahassee Tennis Challenger, 2018–19 ISU Challenger Series, ATP China Challenger International, AON Open Challenger, WCT Tallinn Mens Challenger, 2017–18 ISU Challenger Series, Calgary Challenger, 2014–15 ISU Challenger Series, 2016–17 ISU Challenger Series, 2009 Brașov Challenger, 2015–16 ISU Challenger Series, Alessandria Challenger, Senior Women's T20 Challenger Trophy, Winnipeg Challenger, Senior Women's Challenger Trophy, USS Challenger, 2011 Ropharma Brașov Challenger, Savannah Challenger, Challenger brand, Cruiser Mk VIII Challenger, Tiburon Challenger, Dodge Challenger, Tempe Challenger, Challenger Cup, 2009 Challenger de Providencia, Dodge Challenger (1970), Challenger Center for Space Science Education, 2014 Città di Como Challenger – Singles, BRD Arad Challenger, Seoul Open Challenger, Green World ATP Challenger, Ben Challenger, 2012 BRD Brașov Challenger, Quito Challenger, São Paulo Challenger de Tênis, Challenger 3, Købstædernes ATP Challenger, Stockton Challenger, BSI Challenger Lugano, Hungarian Challenger Open, HMS Challenger, WCT Tallinn Ladies Challenger, Challenger Society for Marine Science, ATP Challenger 2001 Team Padova, 2013 Fergana Challenger – Men's singles, Istanbul Challenger, Challenger (1990 film), 2011 ATP China Challenger International, 2010 Arad Challenger, Oracle Challenger Series – Houston, DeepFlight Challenger, Keio Challenger, 2016 Columbus Challenger 1, Challenger de Saguenay, 1999–2000 NKP Salve Challenger Trophy, Challenger bank, Video Challenger, Tashkent Challenger, 2016 Canberra Challenger – Singles, 2009 ATP Challenger Tour, Hilton Waikoloa Village USTA Challenger, 1997–98 NKP Salve Challenger Trophy, Challenger (eagle), 2016–17 Senior Women's Challenger Trophy, Challenger de Gatineau, 2013 Maui Challenger, 1996–97 NKP Salve Challenger Trophy, 1995–96 NKP Salve Challenger Trophy, 2001–02 NKP Salve Challenger Trophy, Sleek Rat, the Challenger, 2004–05 NKP Salve Challenger Trophy, Levene Gouldin & Thompson Tennis Challenger, 2012 Honolulu Challenger, Challenger-class submarine, 2005–06 NKP Salve Challenger Trophy, 2011 Challenger of Dallas, Oracle Challenger Series – Chicago, Budapest Challenger, 2007–08 NKP Salve Challenger Trophy, Emami Kolkata Open ATP Challenger Tour, 2021–22 ISU Challenger Series, 2014 San Luis Potosí Challenger, 1998–99 NKP Salve Challenger Trophy, 2011 Savannah Challenger, 1994–95 NKP Salve Challenger Trophy, 2012 Tiburon Challenger, League of Legends Challenger Series, Città di Como Challenger, European Aquatics Challenger Cup, 2008–09 NKP Salve Challenger Trophy, Challenger Series, Challenger II, 2023–24 ISU Challenger Series, 2000–01 NKP Salve Challenger Trophy, Shriram Capital P.L. Reddy Memorial Challenger, 2003–04 NKP Salve Challenger Trophy, 2012 BRD Arad Challenger, 2024–25 ISU Challenger Series, 2022–23 ISU Challenger Series, 2011 Green World ATP Challenger, 2012 Arimex Challenger Trophy, 2019–20 ISU Challenger Series, 2013 BRD Timișoara Challenger, Bombardier Challenger, 2014 Savannah Challenger, Beijing International Challenger, 2006–07 NKP Salve Challenger Trophy, ATP Challenger China International – Nanchang, 2014 BRD Brașov Challenger, 2011 Challenger Banque Nationale de Rimouski