The 2011 (green) and 2012 (red, made with a Magellan Explorist 310) routes, superimposed.
The 310 tends to do a better job than the 500 did, but the wide variation at the top of the map reflects different routes for the two hikes.
Scroll down for elevation -- distance/time profiles



To the left, altitude vs distance for the 2012 hike
2012 elevation by distance (above) and time (below)
This graph shows elevation vs time. Subtract 10 hours for Hawai`i time.
Straight lines of 30 minutes or more likely show lunch stops.