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The description should be within your workout, and be sure to read the Pre-Activity comments as well, which is where the meat of the description is. I’ve included here as well.
Description:
5:00 in Zone 1
15:00 in Zone 2
16:00 @ SSP
8:00 @ LTP
4:00 @ CV
5:00 in Zone 1
Pre-Activity Comments
Similar to Fast Finish Runs, Progression Runs teach the body to run faster on tired legs. This Progression Run features a three-step progression that hits the following intensities:
SSP = Steady State Pace, which falls between the high end of Zone X and the low end of Zone 3 and is the fastest pace you could sustain for 2 hours
LTP = Lactate Threshold Pace, which falls at the high end of Zone 3 and is the fastest pace you could sustain for 1 hour
CV = Critical Velocity, which falls within Zone 4 and is the fastest pace you could sustain for 30 minutes