Build Up Period

[OsirisD]

Breakdown for today's 400m session below. Target pace was 04m:00s/km. It felt very comfortable, almost felt easy.

• L1 -> 4m:03s @ 159 bpm avg, with 172 bpm HR max
  
• R1 -> 60s @ 149 bpm avg
  
• L2 -> 3m:53s @ 164 bpm avg, with 175 bpm HR max
  
• R2 -> 60s @ 150 bpm avg
  
• L3 -> 3m:59s @ 163 bpm avg, with 176 bpm HR max
  
• R3 -> 60s @ 151 bpm avg
  
• L4 -> 4m:00s @ 164 bpm avg, with 177bpm HR max
  
• R4 -> 60s @ 154 bpm avg
  
• L5 -> 4m:02s @ 164 bpm avg, with 177 bpm HR max
  
• R5 -> 60s @ 155 bpm avg
  
• L6 -> 3m:59s @ 167 bpm avg, with 177 bpm HR max
  
• R6 -> 60s @ 154 bpm avg
  
• L7 -> 4m:00s @ 165 bpm avg, with 178 bpm HR max
  
• R7 -> 60s @ 153 bpm avg
  
• L8 -> 4m:00s @ 166 bpm avg, with 179 bpm HR max
  
• R8 -> 60s @ 155 bpm avg
  
• L9 -> 4m:02s @ 166 bpm avg, with 177 bpm HR max
  
• R9 -> 60s @ 157 bpm avg
  
• L10 -> 03m:58s @ 169 bpm avg, with 177 bpm HR max
  

P.S. Also take a look over the 5k run a post above.