Congratulations! Good for you! I was in Phoenix and thought about staying over to do the ride but I had a really rough week.
I did it a couple years ago and also found the last 20 down Silverbell challenging.
I was not a big fan of having to get off the bike and hoofing it through the washes twice though.
I did enjoy the nice run down Tangerine in groups-should have saved a little there for Silverbell.
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Ride your Ride!!