Athletics

Men's 10,000 metres

• Silvio Guerra

Men's Marathon

• Rolando Vera — 2:17.40 (→ 22nd place)

Men's 20 km Walk

• Jefferson Pérez — 1:20.07 (→ Gold Medal)

Women's Marathon

• Martha Tenorio — did not finish (→ no ranking)

Boxing

Men's Welterweight (– 67 kg)

• Luis Hernández
  • First Round — Lost to Kabil Lahsen (Morocco), 9-18

Men's Heavyweight (– 91 kg)

• Thompson García
  • First Round — Lost to Georgi Kandelaki (Georgia), abandoned

Cycling

• Paulo Caicedo
• Pedro Rodríguez
• Héctor Chiles

Sailing

• Gastón Vedani

Shooting

• Margarita de Falconí

Swimming

Men's 50m Freestyle

• Felipe Delgado
  • Heat – 23.26 (→ did not advance, 25th place)

Men's 100m Freestyle

• Felipe Delgado
  • Heat – 51.38 (→ did not advance, 38th place)

Men's 100m Butterfly

• Roberto Delgado
  • Heat – 56.29 (→ did not advance, 44th place)

Men's 200m Butterfly

• Andrés Vasconcellos
  • Heat – 2:05.98 (→ did not advance, 39th place)

Men's 4 × 100 m Freestyle

• Julio Santos, Felipe Delgado, Roberto Delgado, and Javier Santos
  • Heat – 3:27.77 (→ did not advance, 15th place)

Men's 4 × 200 m Freestyle

• Roberto Delgado, Julio Santos, Javier Santos, and Andrés Vasconcellos
  • Heat – 7:54.37 (→ did not advance, 16th place)

Tennis

Men's Singles Competition

• Luis Morejón
  • First round — Defeated Marcelo Filippini (Uruguay) 6-7 7-5 6-1
  • Second round — Lost to Renzo Furlan (Italy) 5-7 2-6
• Nicolás Lapentti
  • First round — Lost to Andrei Olhovskiy (Russia) 1-6 6-3 6-8
• Pablo Campana