---
date: 2026-08-11
type: run
tags: [run, morning, easy, re-entry]
---

# 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:

1. **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.

2. **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).

3. **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. 🏃

## Connected

- [[Sleep/2026-08-11]]
- [[Runs/2026-07-29]]