| Games |
Sport (Discipline) / Event |
NOC / Team |
Phase |
Unit |
Role |
As |
|
|
1980 Summer Olympics
|
Hockey |
 SUI |
|
|
|
Ruth Tong-Trachsler |
|
|
Hockey, Women
(Olympic)
|
|
Match #4 |
India — Poland |
Umpire 1 |
|
|
|
Hockey, Women
(Olympic)
|
|
Match #8 |
Austria — Poland |
Umpire 2 |
|
|
|
Hockey, Women
(Olympic)
|
|
Match #15 |
Soviet Union — India |
Umpire 2 |
|
|
|
1984 Summer Olympics
|
Hockey |
SUI |
|
|
|
Ruth Tong-Trachsler |
|
|
Hockey, Women
(Olympic)
|
|
Match #2 |
Australia — West Germany |
Umpire 1 |
|
|
|
Hockey, Women
(Olympic)
|
|
Match #5 |
Netherlands — United States |
Umpire 2 |
|
|
|
Hockey, Women
(Olympic)
|
|
Match #15 |
Netherlands — Australia |
Umpire 2 |
|
|
|
1988 Summer Olympics
|
Hockey |
SUI |
|
|
|
Ruth Tong-Trachsler |
|
|
Hockey, Women
(Olympic)
|
|
Match 3/4 |
Netherlands — Great Britain |
Umpire 1 |
|
|
|
Hockey, Women
(Olympic)
|
|
Match #2 |
Republic of Korea — Great Britain |
Umpire 2 |
|
|
|
Hockey, Women
(Olympic)
|
|
Match #2 |
Netherlands — United States |
Umpire 2 |
|
|
|
Hockey, Women
(Olympic)
|
|
Match #6 |
Australia — Republic of Korea |
Umpire 2 |
|
|
