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