Build Up Period

[OsirisD]

Thanks Ed! Looking forward to that article :-).

I started a new cycle this week. 5 x 2k session summary below:

• 1st 2k -> 8m:27s @ 173 bpm avg, with 169 bpm HR max
  
• R1 -> 90s @ 148 bpm avg
  
• 2nd 2k -> 8m:16s @ 176 bpm avg, with 181 bpm HR max
  
• R2 -> 90s @ 155 bpm avg
  
• 3rd 2k -> 8m:18s @ 176 bpm avg, with 181 bpm HR max
  
• R3 -> 90s @ 156 bpm avg
  
• 4th 2k -> 8m:22s @ 176 bpm avg, with 180 bpm HR max
  
• R4 -> 90s @ 158 bpm avg
  
• 5th 2k -> 8m:24s @ 176 bpm avg, with 180 bpm HR max
  
• R5 -> 90s @ 157 bpm avg
  

I ran this session on a 400m track and lapped my watch manually after each 400m lap. Target was 1.42/lap for the first 2k; for the rest I tried 1.40/lap.
It felt harder than the previous 2k sessions. I think it's because my watch doesn't measure distances properly. For this reason I decided I do all my quality sessions on the 400m track.