I'm from Phoenix, 30 yrs old, and recently took up biking. For the last 2-3 months, I've been commuting to work 2-3 days per week (25 miles RT), and I'll ride the trails a couple times per week (South Mtn and Hawes, ~8 miles each time).
I'm thinking about entering the GT McDowell Park race in Ft Hills as a beginner, but never done it before and am a little apprehensive. The race is 15.8 miles of fairly easy fast singletrack.
Oh, I've never ridden the track before...