|Roles||Competed in Olympic Games|
|Born||12 December 1946 in Puerto Tejada (COL)|
|Measurements||184 cm / 78 kg|
Hernando Arrechea had the following podium finishes at major championships: 3rd in the 1967 Pan American Games 4×100 metres Relay (with Pedro Grajales and the non-Olympians Carlos Álvarez and Jaime Uribe). In the 1967 Pan American Games 110 metres hurdles Arrechea finished fifth.
Personal Best: 110H – 14.09 (1968).
|Games||Discipline (Sport) / Event||NOC / Team||Pos||Medal||As|
|1968 Summer Olympics||Athletics||COL||Hernando Arrechea|
|110 metres Hurdles, Men (Olympic)||5 h2 r1/3|