Isbel Luaces McKullock (born July 20, 1975, in Camagüey, Camagüey) is a Cuban javelin thrower.

His personal best throw is 83.63 metres, which he achieved in July 2002 in Havana.

Year	Competition	Venue	Position	Event	Notes
Representing  Cuba
1990	Central American and Caribbean Junior Championships (U-17)	Havana, Cuba	1st	Javelin	61.40 m
1991	Pan American Junior Championships	Kingston, Jamaica	3rd	Javelin	65.65 m
1993	Pan American Junior Championships	Winnipeg, Canada	2nd	Javelin	70.50 m
1994	World Junior Championships	Lisbon, Portugal	3rd	Javelin	72.82 m[1]
1996	Ibero-American Championships	Medellín, Colombia	1st	Javelin	78.74 m CR
	Olympic Games	Atlanta, Georgia, United States	28th	Javelin	73.84 m
1998	Ibero-American Championships	Lisboa, Portugal	1st	Javelin	78.72 m
	Central American and Caribbean Games	Maracaibo, Venezuela	2nd	Javelin	78.96 m[2]
1999	Universiade	Palma, Spain	3rd	Javelin	82.18 m[3]
2000	Olympic Games	Sydney, Australia	28th	Javelin	75.17 m
2001	Universiade	Beijing, China	2nd	Javelin	81.68 m[3]
2002	Ibero-American Championships	Ciudad de Guatemala, Guatemala	1st	Javelin	81.64 m CR
2003	Pan American Games	Santo Domingo, Dominican Republic	2nd	Javelin	80.95 m[4]
	World Championships	Paris, France	20th	Javelin	74.07 m
2004	Ibero-American Championships	Huelva, Spain	1st	Javelin	77.98 m
	Olympic Games	Athens, Greece	13th	Javelin	80.07 m
2005	ALBA Games	La Habana, Cuba	1st	Javelin	79.23 m

• 1994 - 72.82
• 1996 - 73.84
• 1998 - 80.61
• 1999 - 82.18
• 2000 - 83.30
• 2001 - 82.02
• 2002 - 83.63
• 2003 - 81.66
• 2004 - 81.12
• 2005 - 79.23
• 2006 - 76.16

• Evans, Hilary; Gjerde, Arild; Heijmans, Jeroen; Mallon, Bill; et al. "Isbel Luaces". Olympics at Sports-Reference.com. Sports Reference LLC. Archived from the original on 2012-10-24.
• Isbel Luaces at World Athletics