Joanne Ernst is an American former triathlete who won the 1985 Hawaii Ironman Triathlon.

Results Date Position Event Swimtime Biketime Runtime transitiontime Totaltime October 19851st Ironman Triathlon, Hawaii 1:01:42 5:39:13 3:44:26 10:25:22 October 19863rd Ironman Triathlon, Hawaii 10:00:07

Family Joanne Ernst is married to management consultant and writer Jim Collins. They have no children.

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