What pace is my easy run?
Did a lactate test on a treadmill and i have the same lactate at 5:30min/km and 4:37min/km (1.7mmol) but my heart rate at 5:30 is 130bpm and at 4:37 is around 150bpm.
I have 31:30 at 10k pace.. don't ask me how i have this high heart rate in zone 2 but yeah... I don't know at what heart rate should i aim for, 130bpm or 150bpm