Saturday February 11th
43 minutes, 2.0 incline (/15), 4mph, 140-150BPM
First 13 minutes were a gradual ramp up of speed until I hit 4.0 and 140bpm, which moved to 150bpm and maintained. I plugged these numbers into a "calories-burned" calculator and got 450ish. If true, not bad for 43 minutes work.