I agree that weight training should help, as it defines the body from under the skin. But there's just so much you can do, and at some point I guess you just have to decide how you feel about it. I think it's quite common for people who have lost a lot of weight to "need" plastic surgery to remove excess skin. I don't consider that vain at all, even though I'm all for accepting natural aging.
I hope you have a blast training for your first sprint triathlon! I did my first and so far only sprint ltri ast year, and it was SO much fun :-D (And there will be lots of wrinkly people around, I promise you.) Masse lykke til, kjør på :-)
Winter riding is much less about badassery and much more about bundle-uppery. - malkin
1995 Kona Cinder Cone commuterFrankenbike/Selle Italia SLR Lady Gel Flow
2008 white Nakamura Summit Custom mtb/Terry Falcon X
2000 Schwinn Fastback Comp road bike/Specialized Jett