Mid 40's here. I tried to bike 5,000 miles last year and only did 4,400 or so due to taking a ton of time off after the 104 mile mountain bike race from hell in Arizona on June 1st.
Want about 15-20 miles a week running, 75-100 miles a week biking and 3 miles a week swimming to be my norm.
I will also hit the elliptical machine when it's cold out, depending on whether or not the yoga-pants hotties are on them or the treadmills.....
