Whopper bummer

So its been a long time since DTC. Its been a long time since I've been in a group with a ton of people I feel immediately connected with. Its been too long. So I decided to sign up for IM St. George in Utah to give me one more (and probably for a while, last) experience of that. I could give one more year, train with a group of diabetics long distancely and race Ironman next year. Wow, was I excited and pumped. Then I heard about the intense terrain. VERY intense. The course is being touted at the one of the hardest IMs out there. The MOST challenging run of all 17. Bike being compared to the hardest in Spain. And 60 people pulled out with hypothermia on the swim. Ummm...what did I just sign up for. Its okay, I was doing it with Triabetes and it was a new goal and I'd be so inspired by seeing all my teammates on the course, it would pull me through.
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Then I contact triabetes and say "I SIGNED UP!!" And basically got an email back saying, "ummm....we're in the 'thick' of things but we can use you if you have another IM in your legs..." Ouch. How are you in the thick of things when everyone just registered a week ago??? Is it really alreadly too late? Started thinking...I just signed up for the hardest IM in North America with a no refund policy once you commit. One of the major tempatations of doing this race triabetes and now rejection....well, shit. I was assuming sign up for the race then contact them. Maybe these people have been on some "waiting list" and finally they got in...or have been planning it for a long time. It doesn't seem that way from a couple of their blogs. Then maybe they have a Maximum number of athletes they can support---last year they had three more. They are talking about how they want triabetes to grow and then said no to me...Hum...I'm just upset and thinking I might have made the silliest mistake in a long time. Over $1000 down the tube between Mark and I signing up. Trying to be mature about this...but I still feel like, WTF???