Athletics
Men's 5,000 metres
- Gerardo Alcala
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- Heat — 13:50.60
- Semifinals — 13:45.98 (→ did not advance)
- Eduardo Castro
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- Heat — 13:51.46
- Semifinals — 13:42.04 (→ did not advance)
Men's 10,000 metres
- José Gómez
-
- Qualifying Heat — 28:28.50 (→ did not advance)
- Martín Pitayo
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- Qualifying Heat — 28:59.19 (→ did not advance)
Men's Marathon
- Jesús Herrera — 2:20:33 (→ 36th place)
- Rodolfo Gómez — did not finish (→ no ranking)
- Miguel Angel Cruz — did not finish (→ no ranking)
Men's Javelin Throw
- Juan de la Garza
-
- Qualification — 79.16m (→ did not advance, 14th place)
Men's 20 km Walk
- Ernesto Canto
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- Final — 1:23:13 (→ Gold Medal)
- Raúl González
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- Final — 1:23:20 (→ Silver Medal)
- Marcelino Colín
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- Final — 1:28:26 (→ 17th place)
Men's 50 km Walk
- Raúl González
-
- Final — 3:47:26 (→ Gold Medal)
- Ernesto Canto
-
- Final — 4:07:59 (→ 10th place)
- Martín Bermúdez
-
- Final — DSQ (→ no ranking)
Women's Marathon
- María Trujillo
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- Final — 2:38:50 (→ 25th place)
- Maria Cardenas
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- Final — 2:51:03 (→ 40th place)
- Maria Luisa Ronquillo
-
- Final — 2:51:04 (→ 41st place)
Women's 400m Hurdles
- Alma Vázquez
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- Heat — 1:00.86 (→ did not advance)
Read more about this topic: Mexico At The 1984 Summer Olympics