If anyone's interested, I recorded the Tierra Bella Century on my Garmin Edge 305. You can play back the ride by following this link:

http://trail.motionbased.com/trail/player/5454217

Personally, I like changing the map to Hybrid, and zooming in about 3 more levels.

Good Gravy, according to the data, I was climbing Henry Coe for about an hour and 45 minutes! Honestly, it didn't seem that long while I was doing it. Now the headwind part, that felt like 2 hours, but it was only 45 minutes.