Sat, Apr 4
Legs a bit heavy.
Aerobic effect
3.1 · Improving
Anaerobic effect
0.9 · No benefit
Aerobic decoupling
+12.0% · Faded
Heart rate climbed while pace held - the aerobic base ran out before the distance did.
Pace-to-heart-rate ratio, second half vs first. Under 5% is the mark of a steady run.