1st 5000m, 250m intervals; 2nd 5000m, 500m intervals. All at 1:51 or 1;52/500m efforts, 2:10/500m recoveries. RMSSD = 24 this morning. St…

RMSSD = 18 this morning. Almost a record low, but session felt OK

1st 5000m @ 1:58/500m pace; 2nd 5000m intended to be 1:56/500m pace, but felt quite comfortable so increased pace steadily. RMSSD = 18, v…

HR up 5bpm. RMSSD = 23. Very low still.

1st 5000m, 250m intervals; 2nd 5000m, 500m intervals. All at 1:54/500m efforts, 2:10 recoveries. RMSSD = 23 this morning - still very low…

HR up about 5bpm. RMSSD = 16 this morning. New record low. Not sure why.

HR almost back to normal but RMSSD = 24 still low this morning.

HR up about 5bpm. RMSSD = 26, still low.

RMSSD = 22. Very low this morning. Session felt physically easy, however. Aimed to keep HR below 130.

HR slightly raised. RMSSD = 35, improving.

RMSSD = 32

Continuous 250m intervals: 1:52/500m efforts; 2:10/500m recoveries. RMSSD = 28, still low but creeping up.

HR starting to return to normal. RMSSD = 26 so still low.

HR about 10bpm above usual. RMSSD = 28 so still low.

HR still about 5bpm above usual, but improving, and felt physically easy. RMSSD = 29 so still low.

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.