Joanne Ernst
| Medal record | ||
|---|---|---|
| Women's triathlon | ||
Representing  United States
|
||
| Ironman World Championship | ||
 |
1985 | Individual |
 |
1986 | Individual |
Joanne Ernst is an American former triathlete who won the 1985 Hawaii Ironman Triathlon.
Joanne Ernst is married to management consultant and writer Jim Collins.
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