I have a 3 year old Trek 5200 which I love. For the past couple weeks I have been getting a creaking noise only when I am out of the saddle driving up a hill and only when the right leg is pumped down. The complete handlebar assembly down to the fork has been greased and still the problem. Anyone ever have this problem? Thanks

It could be a number of things. It could be the pedals in specific the bearings in the pedals, the pedal spindle in the crank arm, the crank arm on the b.b spindle, the b.b. cups in the frame, or the b.b itself. Although on some alu. frames more often than not it is the b.b. cups.
Check here: https://www.parktool.com/repair_help/...queaking.shtml

i bet one or more of your chainring bolts are loose.