Guyana competed at the 1968 Summer Olympics in Mexico City, Mexico. This was the first time participating as an independent nation.
They fielded five competitors, all men.
Results by event Athletics Men's marathon Harry Prowell — 2:57.01.4 hrs (→ 50th place)
Boxing Bantamweight (54 kg) Dhanraj Singh Round 2 - Lost to Samuel Mbugua of Kenya
Middleweight (75 kg) Charles Amos Round of 16 - Lost to Wiesław Rudkowski of Poland
Cycling 1000 metres time trial Aubrey Bryce — 1:12.73 min (→ 31st place)
Sprint Aubrey Bryce Round 1 — 3rd place in heat (→ advanced to repechage) Repechage — 3rd place in heat (→ did not advance)
Weightlifting Light heavyweight (82.5 kg) Rudolph James Press — 120.0 Snatch — 127.5 Snatch — 165.0 Total — 412.5 (→ 19th place)
References
Official Olympic Reports Part Three: Results