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