Mike Curiak
Mike Curiak is a blogger and well known mountain biker. The Mountain Bike Hall of Fame says of him: "When discussing modern endurance mountain bike racing, you can't have a conversation without the name of Mike Curiak popping up somewhere along the way. Mike has not only performed at the highest level in this sport, he has led the way in defining its very nature, as well as documented its emerging history in the media."
You can find more about him, and his biking adventures at his blog.
http://lacemine29.blogspot.com/
Bikerafting Alaska’s Lava Coast: Cold Bay to Meshik.
Long before the Lost Coast trip was even a seed planted in my brain, Dave and I had had several conversations about where we might go exploring with bikes and boats.
Potential partners came in and out of the plan, and each time that happened the plan changed.
It was not unlike herding cats.
Click for more. 
Bikerafting Alaska’s Lost Coast
225 miles total.
135 miles riding every sort of beach sediment you can imagine.
65 miles paddling lakes, rivers, streams, ponds, sloughs, oceans, bays, fiords -- we used our boats 25 times.
25 miles of mostly stumbling.
Click for more details, and a larger video.