His first major medal came at the 1975 Central American and Caribbean Championships in Athletics, where he beat his compatriot Domingo Colín to win the 20 kilometres walk title.

[2][3] He failed to defend his regional 20 km title at the 1977 Central American and Caribbean Championships in Athletics, as he was runner-up some distance behind the reigning Olympic champion Daniel Bautista.

[1] He was part of a strong Mexican contingent in the men's 50 km at the 1977 IAAF World Race Walking Cup, but he was disqualified at the competition.

[5] With the launch of the first ever full programme World Championships in Athletics in 1983, Vera entered the 20 km walk and finished in sixteenth place.

Enrique gained Swedish citizenship and had a brief comeback to represent his new country at the 1991 World Championships in Athletics (he was disqualified in the 50 km walk).