Bernardo Segura Rivera (born February 11, 1970, in San Mateo Atenco) is a Mexican race walker. He is the current holder of the 20,000m World Record for Race Walking on a track with a time of 1:17:25.6. In the 2000 Olympic Games, Segura finished first the 20 km walk. However, he was disqualified by the judges while he was being congratulated by then president Ernesto Zedillo.

Achievements

Year	Competition	Venue	Position	Event	Notes
Representing  Mexico
1992	Pan American Race Walking Cup	Guatemala City, Guatemala	1st	20 km	1:24:09
1993	World Student Games	Buffalo, United States	3rd	20 km
	World Championships	Stuttgart, Germany	—	20 km	DSQ
1994	Pan American Race Walking Cup	Atlanta, United States	1st	20 km	1:24:15
1995	World Race Walking Cup	Beijing, China	3rd	20 km
	World Championships	Gothenburg, Sweden	—	20 km	DNF
1996	Olympic Games	Atlanta, United States	3rd	20 km
1998	Central American and Caribbean Games	Maracaibo, Venezuela	2nd	20 km
1999	Pan American Games	Winnipeg, Canada	1st	20 km
	World Race Walking Cup	Mézidon-Canon, France	1st	20 km
2000	Pan American Race Walking Cup	Poza Rica, Mexico	1st	20 km	1:22:47
	Olympic Games	Sydney, Australia	—	20 km	DSQ
2003	Pan American Games	Santo Domingo, Dominican Republic	2nd	20 km
	World Championships	Paris, France	—	20 km	DSQ
2004	Olympic Games	Athens, Greece	—	20 km	DNF
2005	World Championships	Helsinki, Finland	—	20 km	DSQ