Sub40 goal midlife crisis?

[Tallon]

day 6 long run on hilly track
13,63km 1h28m pace 6'29 bpm 134

day 8 target pace 4'00
10min warmup
1k pace 3'53 bpm 112
60sec rest
1k pace 3'47 bpm 159
60sec rest
1k pace 3'47 bpm 163
60sec rest
1k pace 3'50 bpm 168 effort 5/5
60sec rest
1k pace 3'53 bpm 169 effort 5/5
60 sec rest
1k pace 3'43 bpm 174 effort 5/5
60 sec rest
10 min cooldown

Felt better back in the discomfort zone.