| Intro | American swimmer, Olympic gold medalist, former world record-holder |
| A.K.A. | Mariechen M. Wehselau, Mariechen Jackson |
| Was |
Athlete Swimmer |
| From | United States of America |
| Type | Sports |
| Gender | female |
| Birth | 15 May 1906, Honolulu |
| Death |
1 July 1992, Honolulu (aged 86 years) |
Mariechen M. Wehselau (May 15, 1906 – July 12, 1992), also known by her married name Mariechen Jackson, was an American competition swimmer, Olympic champion, and former world record-holder.
Wehselau represented the United States at the 1924 Summer Olympics in Paris. She won a gold medal as a member of the winning U.S. team in the women’s 4×100-meter freestyle relay, together with American teammates Euphrasia Donnelly, Gertrude Ederle and Ethel Lackie. The U.S. relay team set a new world record of 4:58.8 in the event final. Individually, she also received a silver medal for her second-place performance in the women’s 100-meter freestyle, finishing with a time of 1:12.8, immediately behind American teammate Ethel Lackie.
Wehselau was inducted as an “Honor Pioneer Swimmer” into the International Swimming Hall of Fame in 1989. She died in Honolulu, Hawaii in 1992.