Yay for feeling reinvigorated! And the upcoming nice weather should only help (hopefully!) ^_____^ You will get better and better as you go along, don't fret!

As for me doing a triathlon, no can do. I love to bike and swim, but I have bad knees (sigh) which get cranky at me for jogging on an elliptical for 40 minutes, yet I have no problems with a bike (it is weird...). It means, however, that running outside on pavement kills me. =o(