Quote Originally Posted by OakLeaf View Post
Well, I'm not sure how much use my input is, but then on the other hand, every time I ask something like "should I run a half marathon," all the Ironwomen and ultra runners chime in with "oh no problem." So maybe a little perspective from the shallow end of the pool...
D
Mandatory for someone to say:

No problem! You'll be great! Go for it!

Kidding. Just weigh your fears/desires. If you REALLY want to do it, do it!. If you really doubt it, do it as a birthday relay with someone who can swim!

But to answer the question--you are no where near nuts.