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