| Games | Sport (Discipline) / Event | NOC / Team | Phase | Unit | Role | As | |
|---|---|---|---|---|---|---|---|
| 1968 Summer Olympics | Hockey |  KEN |
Peter Barboza | ||||
| Hockey, Men (Olympic) | Match 11/12 | East Germany — Great Britain | Umpire 1 | ||||
| Hockey, Men (Olympic) | Match #6 | Spain — Japan | Umpire 2 | ||||
| Hockey, Men (Olympic) | Match #10 | India — Mexico | Umpire 2 | ||||
| Hockey, Men (Olympic) | Match #21 | East Germany — Mexico | Umpire 1 |
