Setting Your Run Training Zones
This article goes through how to set-up your run training zones based off your THP (Threshold Pace) and THR (Threshold Heart Rate).

Threshold Pace Test
First you will need to complete an Threshold Pace test, which is a 30 minute paced max effort. The Threshold Pace test take less than an hour, the protocol used in the BCA training plans is below.
Warm-up
03 mins @ 70-75% of FTP (3/10 RPE scale)
15 secs @ 100-110% (9/10)
01 mins @ 70-75% (3/10 )
15 secs @ 100-110% (9/10)
02 mins @ 70-75% (3/10 )
Main Set
30 mins @ paced max effort 100-110% (9/10)