SSS,
Call Garmin tech support and ask them to send you what you need. They were really cool about how they handled everything including a $50 re-build of my e-trex when it had gotten damaged. BTW, you need a download cable, a 9 pin serial port (or a USB or a PCMCIA adapter) and the CD for the reading software. Then you can just download your run info into a spreadsheet and "massage" away!
Phone: 1-800-800-1020
913-397-8200
Fax: 913-397-0836
And here are some notes I wrote to myself about how to convert the "Tracking" feature to one second intervals. BTW you get something like 2500 datapoints (seconds) of information before it starts to overwrite itself:
1) Go to the Main Menu
2) Select the Tracks icon
3) In the upper left hand corner, select the single page icon
4) Select the option for Setup Track Log
5) Change the Record Method from Auto to Time
6) Change the Interval to 1 second
And keep the shiny.... er ummm, I mean the rubber side down (sorry, Kent)
Jim