Club parkrun — Run315

2026-09-05 · 5.00 km

Club parkrun

Run 2 days ago.

Result

19:29 3:54 /km

Finish time

−0:08 projected 19:37

Faster than projected

The course

4.99 km · 71 m up · 72 m down

Start 1% harder than flat Finish

Where it bites:

4.0–5.0 km · 33 m at 3.4%

Postmortem

Evenly run, start to finish.

19:29

Ran

+12s vs goal

+0.0%

Second half vs first

-5.1% on effort

65s

Lost against plan

+11

HR drift, bpm

Km	Plan	Ran	Delta	Grade	Effort	HR
1	3:21 /km	3:54 /km	+28s	-2.7%	4:31 /km	172
2	4:08 /km	3:54 /km	-14s	+1.0%	3:42 /km	176
3	4:00 /km	3:54 /km	-6s	+1.1%	3:40 /km	179
4	3:17 /km	3:54 /km	+37s	-2.8%	4:33 /km	183
5	4:34 /km	3:54 /km	-33s	+3.4%	3:15 /km	186

“Effort” is the pace adjusted for gradient, so a slow kilometre uphill can be a better effort than a quick one on the flat.

, so the check has to wait for the parsed document. addEventListener('DOMContentLoaded', function () { try { var dm = ['standalone', 'minimal-ui', 'fullscreen', 'window-controls-overlay']; if (!document.getElementById('frozen-note') && (navigator.standalone || dm.some(function (m) { return matchMedia('(display-mode: ' + m + ')').matches; }))) { var pk = 'portal-installed', reg = JSON.parse(localStorage.getItem(pk) || '{}'); reg.Run315 = Date.now(); localStorage.setItem(pk, JSON.stringify(reg)); } } catch (e) { /* private mode - ignore */ } }); // Installable, and readable on the train. See templates/sw.js. if ('serviceWorker' in navigator) { addEventListener('load', function () { navigator.serviceWorker.register('/Run315/sw.js'); }); }

Static demo. A synthetic athlete, frozen to files — every page here is the real app rendering real analysis, but anything that writes (Garmin sync, adding a race, the coach review) is switched off, because a file server has nothing to write to. Source & how to run it for real.