HR up again today. RMSSD = 22, so very low.

Continuous intervals: 1:55/500m efforts; 2:10/500m recoveries. HR returning to normal. RMSSD = 35, so still a bit low.

HR improving. RMSSD = 36 so also improving.

HR still 10bpm above normal. RMSSD = 23 so also low. Kept HR within aerobic threshold.

HR still 5-10bpm above usual, but RMSSD = 38 improving.

Stopped after 4000m to clean seat rollers. Faster from then onwards. HR still about 5bpm above usual. RMSSD = 25 so still low.

HR at least 10bpm over usual. RMSSD = 24 also low. Session felt easy.

HR slightly better, only about 5bpm higher. RMSSD = 26. Slight improvement.

HR still 10bpm above normal. Felt physically easy. No other symptoms except low RMSSD = 24.

Stressful day. Probably accounts for 15bpm increase in HR. RMSSD started the day better at 31.

HR still up a bit, but RMSSD=30, improving.

HR still 5-10bpm above normal. Felt physically easy but must be ailing with something. RMSSD = 23, very low.

HR still 5bpm over normal. Felt physically easy. Still a bit stressed. RMSSD = 23

HR still about 5bpm over normal. RMSSD= 26

Recovering from pulled muscle in forearm. HR still up about 5bpm. RMSSD= 24

Stressful week. HR way over usual, even after three days off. RMSSD=21

Bit stressed today. Felt physically easy but HR about 10bpm above normal. RMSSD = 33

Session interrupted by a delivery after 2500m. Lost track of splits after that. RMSSD = 47

2x5000m aiming for 1:55/500m with 5 mins recovery in between. Just need to cut out the recovery in between...

2:05/500m. HR at splits: 108, 110, 110, 113, 116.