30 lines
1.9 KiB
Markdown
30 lines
1.9 KiB
Markdown
# Running personal records
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The dashboard and owner's run page now calculate estimated best efforts for
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1 km, 2 km, 5 km, 10 km, half marathon (21,097.5 m), and marathon (42,195 m).
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These are fastest stretches anywhere within a run, rather than lap times or
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times projected from average pace. All existing running activities participate.
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Following [Strava's elapsed-time convention](https://support.strava.com/en-us/articles/15401661-how-do-best-efforts-work-for-running-on-strava),
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stops inside an effort count. The calculation uses full-resolution FIT cumulative
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distance and timestamps, with linear interpolation at distance boundaries. Missing
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distance/time, backwards distance, and non-increasing timestamps split the data.
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Timestamp gaps count as elapsed time; there is no subtraction for auto-pause.
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No distance or time is inferred from an activity summary when samples are absent.
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The dashboard lists current records. Runs earn historical PR badges if they
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established or strictly improved a record on their activity date; equal times
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do not earn another badge. Import order does not affect the result. Records and
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badges are recalculated from history, so older imports and removals are reflected.
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Comparisons currently appear only in the owner's dashboard and activity page.
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These are estimates from watch data, not verified race records or an exact clone
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of Strava's proprietary calculation. GPS/distance spikes or sparse recording can
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affect results. There is currently no manual effort exclusion or correction UI.
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The initial implementation computes on page requests without a database migration.
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For large histories, the next step is to persist per-run efforts at import time
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with an algorithm version, backfill existing runs, and query those small results.
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Further additions could include second/third-best medals, annual records, manual
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exclusion of bad recordings, and a selected-effort highlight on the route map.
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