Run — 2026-08-11

2.43 km in 16:23 — 6'45" pace at 142 bpm. Morning re-entry run after a 13-day break. HRV 118 overnight, resting HR 44. VO2Max estimate jumped to 45. The pace said easy — the body said otherwise.

Data

Metric	Value
Distance	2.43 km
Duration	16:23
Avg pace	6'45" /km
Fastest pace	6'44" /km (KM 2)
Avg HR	142 bpm
Max HR	158 bpm
Cadence	164 spm

Metric	Value
HR recovery (2min)	23 bpm (dropped 23, 150→104)
VO₂Max	45 ml/kg/min (↑ from 43, "average")
Steps	1,689
Stride	90 cm
Training load	17 (Low)
Recovery time	5h

Splits: KM 1 — 6'50" · KM 2 — 6'44" · last 0.43 km — 2'49" (≈6'33" pace, slight finish lift)

Form: GCT 310 ms · Balance L 49.9% / R 50.1% · Vertical oscillation 9.2 cm · Avg speed 8.90 km/h

HR zones: no time in Extreme; predominantly aerobic/light effort — by far the most controlled HR profile of the recent runs.

Sleep — Night before

6h 33min · 00:07→06:40 · REM: 11% · Deep: 33% · HRV: 118ms · Resting HR: 44 bpm · Score: 84/100

Third sober night in a row, HRV back in the 110-135 excellent zone after the 29ms disaster on Aug 9. Resting HR 44 is below his personal range — deep parasympathetic state. Sleep slightly short (6h33) with a late bedtime (00:07), but the trade was deliberate: early rise to run. See Sleep/2026-08-11.

How it felt

Yep, it was slow, it felt slow. And I felt heavy. Breathing was heavier. For the first km my lower back was hurting a bit, making a small noise, then both of my achilles were sore-tight. It was a harder one, but surprisingly my HR was low — for the first 1.5 km it did not go above 150.

Comparison

Metric	Jul 18 (2K)	Jul 20 (3K PB)	Jul 23 (6.5K)	Jul 27 (3K PB)	Jul 29 (2K)	Aug 11
Distance	2.01 km	3.01 km	6.52 km	3.01 km	2.01 km	2.43 km
Duration	12:20	17:55	42:47	17:02	10:46	16:23
Avg pace	6'08"	5'57"	6'34"	5'40"	5'21"	6'45"
Avg HR	147 bpm	158 bpm	160 bpm	156 bpm	158 bpm	142 bpm
Max HR	158 bpm	170 bpm	176 bpm	180 bpm	171 bpm	158 bpm
Cadence	172 spm	171 spm	165 spm	164 spm	169 spm	164 spm
VO₂Max	42	42	43	43	43	45
Sleep HRV	107ms	107ms	111ms	135ms	140ms	118ms
Time of day	—	—	—	—	afternoon	morning

VO₂Max progression

Date	VO₂Max
Jun 29	39
Jul 5	40
Jul 10	41
Jul 18	42
Jul 23	43
Jul 27	43 ✅
Jul 29	43 ✅
Aug 11	45 ↑

Verdict: This is a smart re-entry run, not a performance run — and that's exactly right after a 13-day break bookended by a brutal drinking weekend (HRV 29ms on Aug 9). The signature is all over the data: 6'45" pace at only 142 bpm avg HR is the most relaxed effort-to-heart-rate profile in weeks, with zero time spent redlining (HR stayed under 150 for the first 1.5 km). Cadence 164, GCT 310ms, near-perfect balance — the form held up fine at easy effort.

The interesting thing: the run felt much harder than the numbers say. Heavy body, heavier breathing, lower-back pain with a noise in the first km, both achilles sore-tight — but HR barely climbed. That dissociation (high perceived effort, low measured HR) is typical after a layoff: the cardiovascular system recovers fast (HRV 118, resting HR 44 — the machine is ready), while the musculoskeletal system lags behind — back stiffness, tight achilles, heavy legs. The back noise in km 1 was likely a stiff-joint release after 13 days off; it cleared as the run went on. The achilles soreness is the one to watch — with flat feet, the achilles is already under more tension, and a sharp pain (not just tightness) would be a stop-and-walk signal. For now: tight-but-manageable after a break is expected, and the easy pace was the right call. Give the tendons a couple of easy re-entry runs before asking anything of them.

Three things stand out:

The HR discipline is the real win. 142 avg / 158 max on a 2.43km run vs. 158 avg / 171 max on the Jul 29 sharpie at nearly the same distance. He didn't chase pace on day one back — that's the "never miss twice, first week back = 50%" philosophy executed in practice. The 6'44" final km shows there's still a gear in reserve.
VO₂Max jumped 43 → 45. A two-point jump on a single easy run is almost certainly watch recalibration after the break (and possibly from fitness carried through the active festival weekend), not a single-run gain. Treat it with a grain of salt — but the direction aligns with the trend (39 → 45 since Jun 29).
HR recovery 23 bpm — solidly back in his 21-25 comfort zone, consistent with the sober streak paying off.

The only friction point: 6h33 sleep with a 00:07 bedtime is still on the late side — the watch flagged multiple late bedtimes in the past 7 days. That's the one pattern to keep an eye on as the running routine rebuilds; a couple of nights closer to 23:30 would put the morning runs on a genuinely rested base.

Clean restart. The streak clock restarts today. 🏃

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