Stopwatch With Export
Stopwatch with export downloads lap splits and session totals as CSV for spreadsheets, coaches, and labs. Copy timing data without manual retyping errors.
How to Use
- Complete the session with disciplined lap marking.
- Review the on-screen lap list for a missing final lap.
- Choose Export and save the CSV with a dated filename.
- Open in your spreadsheet and verify row count matches laps.
- Archive or merge into your master log or control chart.
Features
- CSV download with lap index, split, and cumulative columns
- Optional session notes column on supported layouts
- Consistent headers for scripts and pivot tables
- Export after on-screen review before file leaves browser
- Local generation with no automatic cloud upload
- Works alongside saved history for dual workflows
Real-World Use Cases
- Swim coaches attaching lap exports to weekly athlete reports
- Manufacturing cycle-time samples into SPC spreadsheets
- Research trials with one CSV row per timed lap
- Running clubs merging time-trial exports into season logs
- IT teams logging benchmark lap durations per build step
Practical Examples
Export ten-by-hundred set; paste into the athlete sheet and chart split trend for the month.
Export twenty assembly laps; import to a control chart and flag drift on station three.
Benefits
- Eliminates manual retyping errors into spreadsheets
- Feeds control charts and coach reports directly
- Reproducible column format across weeks and seasons
- You control when and where files are shared
Tips & Best Practices
- Use filenames with date and purpose - 2026-07-13-tempo.csv.
- Verify lap count on screen before export.
- Keep lap markers identical every session so columns stay comparable.
Common Mistakes to Avoid
- Exporting before fixing a missed final lap.
- Renaming columns manually and breaking automated imports.
- Assuming export syncs to cloud - files stay local until you move them.
Frequently Asked Questions
What format is the export?
CSV with consistent headers for lap index, splits, and cumulative times.
Does export upload my data?
No. The file downloads locally; you choose where to share it.
Can I open it in Google Sheets?
Yes. Upload or import the CSV like any spreadsheet file.
How is this different from history?
History reviews on device; export creates files for external systems.
Are notes included?
On supported layouts, optional session notes appear as a column.
When should I export?
After the session ends and you have verified the lap list on screen.
Can coaches batch weekly exports?
Yes. Merge multiple CSVs into a master workbook with stable headers.
What if a lap is missing?
Add the lap on screen if possible before export; retyping beats wrong data.