Mike Curiak, who I've written about several times before, is on his way to Nome in the 1100 mile Iditabike, only he's doing it completely and 100% self-supported. Everything he needs for several weeks in the rugged Alaskan wilderness -- in winter -- is on his bike. He's not going to accept any food trades, no hand-outs, nothing. He vows to not even spend the night in a cabin if offered.
Track his satellite-transceiver progress and see photos and a video of his rig (a heavily modified Moots 29er, minus the YBB softail) on his blog right here.
What he's doing is absolutely insane and I can't wait to read all about when he gets home. Best of luck, Mike!