Colombia competed at the 1968 Summer Olympics in Mexico City, Mexico. 43 competitors, 38 men and 5 women, took part in 33 events in 5 sports.
Men's 100 metres
Jimmy Sierra
Round 1 — 10.8 s (→ 7th in heat, did not advance)
Men's 200 metres
Pedro Grajales
Round 1 — 21.0 s (→ 4th in heat, did not advance)
Men's 400 metres
Pedro Grajales
Round 1 — 46.7 s (→ 2nd in heat, advanced to round 2)
Round 2 — 46.5 s (→ 8th in heat, did not advance)
Men's 10,000 metres
Álvaro Mejía — 30:10.6 min (→ 10th place)
Men's 10,000 metres
Hernán Barreneche — DNS (→ no ranking)
Men's 110 metres hurdles
Hernando Arrechea
Round 1 — 14.0 s (→ 5th in heat, did not advance)
Ten cyclists represented Colombia in 1968.
1000m time trial
Jorge Hernández — 1:09.24 min (→ 25th place)
Sprint
Jaime Galeano
Round 1 — 2nd in heat (→ advanced to repechage)
Repechage — 3rd in heat (→ did not advance)
Héctor Urrego
Round 1 — 2nd in heat (→ advanced to repechage)
Repechage — 3rd in heat (→ did not advance)
Individual pursuit
Martín Rodríguez
Qualification — 4:45.38 min (→ 9th in trial, did not advance)
Team pursuit
Luis Saldarriaga, Mario Vanegas, Severo Hernández, Martín Rodríguez
Qualification — 4:31.98 min (→ did not advance)
Individual road race
Martín Rodríguez — 4:43:58.49 hrs (→ 9th place)
Álvaro Pachón — 4:44:13.10 hrs (→ 15th place)
Pedro Sánchez — 4:46:37.94 hrs (→ 30th place)
Miguel Samaca — DNF (→ no ranking)
Men's 3 metre springboard
Roque Barjum (→ 24th place)
Women's 3 metre springboard
Martha Manzano (→ 22nd place)
Men's 10 metre platform
Diego Henao (→ 32nd place)
Men's team competition
Preliminary round (Group A)
Colombia – Mexico 0-1
Colombia – Guinea 2-3
Colombia – France 2-1
→ 3rd in group, did not advance
Team roster
( 1.) Otoniel Quintana
( 2.) Gabriel Hernández
( 3.) Luis Soto
( 4.) Oscar Muñoz
( 5.) Darío López
( 6.) Joaquín Pardo
( 7.) Pedro Ospina
( 8.) Germán Gonzalez
( 9.) Alfredo Arango
(10.) Norman Ortiz
(11.) Gustavo Santa
(12.) Ramiro Viafara
(13.) Alberto Escobar
(14.) Gabriel Berdugo
(15.) Javier Tamayo
(16.) Alfonso Jaramillo
(17.) Fabio Mosquera
Men's 100 metres freestyle
Federico Sicard
Heats — 59.0 s (→ 6th in heat, did not advance)
Ricardo González
Heats — 57.0 s (→ 6th in heat, did not advance)
Women's 100 metres freestyle
Patricia Olano
Heats — 1:05.3 min (→ 6th in heat, did not advance)
Men's 200 metres freestyle
Federico Sicard
Heats — 2:11.1 min (→ 5th in heat, did not advance)
Ricardo González
Heats — 2:05.8 min (→ 5th in heat, did not advance)
Julio Arango
Heats — 2:03.1 min (→ 2nd in heat, did not advance)
Women's 200 metres freestyle
Patricia Olano
Heats — 2:25.1 min (→ 5th in heat, did not advance)
Men's 400 metres freestyle
Julio Arango
Heats — 4:25.8 min (→ 4th in heat, did not advance)
Women's 400 metres freestyle
Patricia Olano
Heats — 5:01.8 min (→ 5th in heat, did not advance)
Olga De Angulo
Heats — 5:08.6 min (→ 3rd in heat, did not advance)
Women's 800 metres freestyle
Patricia Olano
Heats — 10:44.1 min (→ 4th in heat, did not advance)
Olga De Angulo
Heats — 10:40.5 min (→ 5th in heat, did not advance)
Men's 1500 metres freestyle
Julio Arango
Heats — 11:53.1 min (→ 4th in heat, did not advance)
Tomás Becerra
Heats — DNS (→ no ranking)
Men's 100 metres breaststroke
Ivan Gonima
Heats — 1:15.1 min (→ 7th in heat, did not advance)
Men's 200 metres breaststroke
Ivan Gonima
Heats — 2:45.0 min (→ 6th in heat, did not advance)
Men's 100 metres butterfly
Tomás Becerra
Heats — 1:02.2 min (→ 6th in heat, did not advance)
Women's 100 metres butterfly
Carmen Gómez
Heats — 1:14.7 min (→ 4th in heat, did not advance)
Men's 200 metres butterfly
Tomás Becerra
Heats — 2:16.8 min (→ 4th in heat, did not advance)
Women's 200 metres butterfly
Carmen Gómez
Heats — 2:44.7 min (→ 5th in heat, did not advance)
Women's 200 metres individual medley
Nelly Syro
Heats — 2:55.7 min (→ 5th in heat, did not advance)
Olga De Angulo
Heats — 2:48.7 min (→ 7th in heat, did not advance)
Men's 400 metres individual medley
Tomás Becerra
Heats — 5:09.7 min (→ 5th in heat, did not advance)
Women's 400 metres individual medley
Olga De Angulo
Heats — 6:00.6 min (→ 5th in heat, did not advance)
Patricia Olano
Heats — 5:52.6 min (→ 5th in heat, did not advance)
Nelly Syro
Heats — 6:13.1 min (→ 5th in heat, did not advance)
Men's 4x100 metres freestyle relay
Julio Arango, Federico Sicard, Tomás Becerra, Ricardo González
Heats — 3:51.5 min (→ 7th in heat, did not advance)
Men's 4x200 metres freestyle relay
Tomás Becerra, Federico Sicard, Ricardo González, Julio Arango
Heats — 8:26.7 min (→ 5th in heat, did not advance)
