Finse Challenge
Challenge Tour
Tsjechisch Challenge Open
Moskou Challenge
Formby Hall Challenge
F355 Challenge
Wales Challenge
English Challenge
Scottish Challenge
Champions Challenge
Sun City Challenge
Norton Challenge P86
Norwegian Challenge
World Challenge (golf)
Challenge Sprint Pro
USA Pro Challenge
Challenge-Brownsville
Polar Challenge
Dutch Challenge Open
Estoril Challenge
Spaans Challenge Open
Challenge of Ireland
Challenge League
Bad Griesbach Challenge Tour
Ice Bucket Challenge
Nedbank Golf Challenge
Challenge Cup (Newfoundland en Labrador)
Watersley Ladies Challenge
Challenge response-authenticatie
Slovakia Challenge 2014
Allianz Challenge de France
IAAF Hammer Throw Challenge
Oceânico Group Pro-Am Challenge
F430 Challenge
CEV Challenge Cup (vrouwen)
CEV Challenge Cup (mannen)
Italian Challenge
USA Pro Challenge 2014
Charlie Charlie Challenge
IAAF World Combined Events Challenge
Challenge-handshake authentication protocol
Azerbaijan Challenge Open 2014
Challenge Mallorca
Dutch Beer Challenge
Challenge Trophy
Bandai Golf: Challenge Pebble Beach
Mini Challenge
IAAF World Challenge
World Solar Challenge
LuK Challenge Chrono
The Challenge
Europese Challenge Tour 1999
Bad Griesbach Challenge Tour 2014
Champions Challenge (hockey)
Challenge de Madrid
Beijing World Challenge
EuroCup Challenge
USA Pro Cycling Challenge 2013
Challenge Cup
AFC Challenge League
Europese Challenge Tour 2011
Champions Challenge mannen 2001
Turkish Airlines Challenge
A2 Racer: World Challenge
IPB Challenge
Challenge Aero
Challenge Tour Championship
Global Green Challenge
Champions Challenge mannen 2005
Champions Challenge mannen 2003
Europese Challenge Tour 2014
Teen Challenge
World Challenge
Champions Challenge vrouwen 2002
Bergson Winter Challenge
Champions Challenge mannen 2012
Dragon Challenge
Vodafone Challenge
Challenge Sprint Pro 2011
Wendy's Charity Challenge
USA Pro Challenge 2015
Champions Challenge II (hockey)
Is Molas Challenge
Fenkil Northern Red Sea Challenge
World Solar Challenge 2007
Graceland Challenge
Bio Challenge
AFC Challenge Cup 2012 (kwalificatie)
Dutch Beer Challenge 2016
World Solar Challenge 2009
Gujarat Kensville Challenge
AFC Challenge Cup
Sun International Challenge
Champions Challenge vrouwen 2003
World Solar Challenge 2011
Intercontinental Rally Challenge in 2008
Challenge Records
Europese Challenge Tour 2010
Northern Ireland Open (golf)
Europese Challenge Tour 2013
White van man challenge
CEV Challenge Cup
Aziatische Formule Renault Challenge
Tsjechisch Challenge Open 2013
Challenge Mallorca 2011
Scottish League Challenge Cup
Chip's Challenge
Europese Challenge Tour 1995
Russian Challenge Cup
Super Sport Challenge
Dutch Beer Challenge 2018
Champions Challenge vrouwen 2012
Europese Challenge Tour 2012
Radio Algoa Challenge
Champions Challenge vrouwen 2005
Dutch Beer Challenge 2021
Dutch Beer Challenge 2019
Plaza Challenge
Dutch Supercar Challenge
NHL Open Ice: 2 on 2 Challenge
Challenge Trophy 1967
Europese Challenge Tour 1994
Dutch Beer Challenge 2022
AFC Challenge Cup 2010 (kwalificatie)
International Documentary Challenge
Challenge de Catalunya
Intercontinental Rally Challenge in 2007
Postbank Challenge
Pilsen Golf Challenge
Intercontinental Rally Challenge in 2009
International Rally Challenge in 2006
Swiss Challenge 2013
Challenge Chargeurs
Europese Challenge Tour 1993
Challenge Sprint Pro 2014
Nedbank Golf Challenge 2012
Women's Challenge
Lunar Lander Challenge
Dutch Beer Challenge 2017
Challenge Sprint Pro 2013
Self Driving Challenge
National Film Challenge
Europese Challenge Tour 1991
Steel Challenge
Challenge Trophy 1973
Intercontinental Rally Challenge in 2010
Sun Boardwalk Golf Challenge
Challenge de Catalunya 2014
Dutch Beer Challenge 2023
World Solar Challenge 2013
City Nature Challenge
Champions Challenge mannen 2011
Le Vaudreuil Golf Challenge
Ferrari 458 Challenge
Challenge Mallorca 2004
Challenge Mallorca 2006
Ladies Norwegian Challenge
Intercontinental Rally Challenge
Over de streep
World Solar Challenge 2015
Ronde van Spanje voor vrouwen
Intercontinental Rally Challenge in 2012
Challenge Trophy 1974
Dubliner Challenge
Credit Suisse Challenge
Nashua Wild Coast Sun Challenge
Challenge Sprint Pro 2012
Swiss Challenge 2014
Europese Challenge Tour 1990
Champions Challenge II mannen 2011
Intercontinental Rally Challenge in 2011
Reflexity: Pinball Challenge
Scottish Challenge 2014
WPGA International Challenge
Wild Waves Golf Challenge
Finnish Challenge 2012
Challenge of Tutankhamon
Challenge Desgrange-Colombo 1958
Doc Salbe PGA European Challenge
AFC Challenge Cup 2014 (kwalificatie)
AFC Challenge Cup 2008 (kwalificatie)
Saker Sportscar Challenge
Challenge League 2019/20
Challenge Mallorca 2007
Champions Challenge II vrouwen 2011
Volvo Cross Country Challenge
Challenge Trophy 1977
Challenge Roth
Europese Challenge Tour 2009
Challenge Trophy 1975
Europese Challenge Tour 2007
Dutch Beer Challenge 2015
Challenge Tour Grand Final
EHF European Cup
Northern Ireland Challenge
Europese Challenge Tour 1992
Norwegian Challenge 2012
Europese Challenge Tour 2008
Challenge Desgrange-Colombo 1953
Dutch Beer Challenge 2020