Disgusting weather for the last few days so I've been on the treadmill. I would normally have just ran outside, but the wind and rain coincided with my leaving my watch and heart rate monitor at work so I figured the quality sessions would be best suited to the treadmill.
I can only do quality sessions on the treadmill as getting on one just to run at a set pace for 40 minutes bores me to tears. There's something about quality sessions that I find makes the time fly on the treadmill. I think it's the recovery/rest components, they go by very quickly. Funny that.
Monday was interval day. 1km at 3:45min/km pace. Five times. With just under two minute jogging recovery. Felt pretty comfortable, but it's not always been that way...
If it's quiet at work on nights I try to spend some time in the gym. Turns out the treadmill I use at work is callibrated incorrectly, and is slower than the displayed speed. This led to a certain degree of misplaced confidence when I first started using the machine. 3:45 pace? Easy. Was running extra intervals and for longer.
Then I jumped on the machine at home. Shit! What's happened? The same session was killing me. I was having to run it slower and still felt terrible. Five intervals instead of four? No chance.
Was it an off day? Had I over-trained in the run up?
Next time at work I was flying again. Next time at home; destroyed.
Slowly it dawned on me and an important lesson was learnt; not all treadmills are created equal.
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