Athlete Health Report — Duncan

Period: January 1st 2021 to December 31st 2021  ·  Generated: May 13th 2026, 15:55
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Duncan
341
Days covered
62.6 bpm
Avg RHR
42 bpm
Min RHR
6.9 hrs
Avg sleep
50.9 ms
Avg RMSSD
27.4
Avg Stress
78
HRV tests
73
Runs logged
6:29/km
Best run pace
0
Walks logged
366
Rides logged
19.4 km/h
Best ride spd

AI Analysis Claude

January 1st 2021 to December 31st 2021

Your resting heart rate of 62.6 bpm paired with an average HRV of 50.9 ms and a low mean stress score of 27.4 suggests your autonomic nervous system is functioning in a reasonably balanced state, with parasympathetic tone that is adequate but has clear room for improvement. The 42 bpm minimum RHR shows your body can reach a deeply recovered state on its best days, but the gap between that floor and your average hints that sustained recovery is inconsistent across the year. With only 78 HRV readings over 341 days, the sampling is sparse enough that your true variability may be underrepresented, so more consistent morning measurements would sharpen this picture considerably.

Your average sleep of 6.9 hours per night is falling short of the 7.5 to 8 hour window most strongly associated with robust HRV and next-day stress resilience, and this likely explains part of why your HRV sits in the low 50s rather than climbing higher. Even a consistent 30-minute increase in sleep duration has been shown to meaningfully raise RMSSD over a period of weeks, which would in turn support the low stress profile you are already maintaining. Sleep is the single lowest-cost lever you have for shifting your recovery metrics upward.

Across 73 runs you maintained a best pace of 6:29 per kilometre, reflecting a solid aerobic base built through consistent volume averaging roughly five runs per month. To build on this foundation in the next period, one specific recommendation grounded in your data:

Extend your nightly sleep to a minimum of 7.5 hours for at least five nights per week, track morning HRV daily, and use that improved recovery capacity to introduce one structured interval session per week targeting paces below 6:00 per kilometre.

Resting Heart Rate

January 1st 2021 to December 31st 2021
Avg62.6 bpm
±1 SD?One Standard Deviation (SD) contains about 68% of the range of readings.4.9
Normal (68%) Range57.7–67.6 bpm

Sleep

January 1st 2021 to December 31st 2021
Avg Deep0.89 hrs
Avg Light4.53 hrs
Avg REM1.51 hrs
Avg Total6.9 hrs
±1 SD?One Standard Deviation (SD) contains about 68% of the range of readings.0.9
Normal (68%) Range6.0–7.8 hrs

HRV — RMSSD?Heart Rate Variability is a measure of the balance of the nervous system between sympathetic (fight or flight) and para-sympathetic (rest and relax). Generally, a higher number indicates better functioning.

January 1st 2021 to December 31st 2021
Avg RMSSD50.9 ms
±1 SD?One Standard Deviation (SD) contains about 68% of the range of readings.27.4
Normal (68%) Range23.5–78.3
Latest 7d avg45.1 ms

Running

January 1st 2021 to December 31st 2021
Avg Pace7:25/km
Best6:30/km
Total Time9h 18m
Total Kms75.9 km
Avg HR139 bpm

Cycling

January 1st 2021 to December 31st 2021
1 / 15 ↓ overall stats
Rides25
Avg Speed13.5 km/h
Best Speed19.4 km/h
Total Dist90 km
Total Time6h 30m
Avg HR115 bpm
Rides364
Avg Speed12.8 km/h
Best Speed19.4 km/h
Total Dist889 km
Total Time69h 16m
Avg HR120 bpm

Walking

January 1st 2021 to December 31st 2021
1 / 15 ↓ overall stats
Walks25
Avg Pace10:32/km
Best Pace8:57/km
Total Dist59.2 km
Total Time10h 06m
Avg HR103 bpm
Walks356
Avg Pace11:36/km
Best Pace8:10/km
Total Dist788.9 km
Total Time143h 52m
Avg HR106 bpm

VO2Max?VO2Max is a measure of the body's ability to use oxygen. A higher number is better. The metric generally declines with age, and often correlates with performance.

January 1st 2021 to December 31st 2021
Latest45 ml/kg/min
Peak52 ml/kg/min
Period Avg48.8 ml/kg/min

Daily Steps

January 1st 2021 to December 31st 2021
Avg Steps9,009
±1 SD?One Standard Deviation (SD) contains about 68% of the range of readings.3,215
Normal (68%) Range5,794–12,223

Daily Stress

January 1st 2021 to December 31st 2021
Avg Stress27.4
±1 SD?One Standard Deviation (SD) contains about 68% of the range of readings.6.7
Normal (68%) Range20.6–34.1