Age-based performance trajectories · mean ± 95% CI · overlay your own athlete data
Shaded area = 95% confidence interval.
Load a curve to see observations.
Positive = improvement. Error bars = 95% CI.
Enter athlete names, ages, and personal bests below — or upload a CSV — to overlay them on the development curve above. Data is never sent to the server.
| Year | Age (yrs) | Season Best | YoY Change |
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Columns: year, age, season_best (one row per season)
Example: 2023, 18.5, 10.23
| Year | Age | Season Best | vs Elite Mean | Athlete YoY | Elite YoY | Δ YoY |
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| Age | Mean Performance | 95% CI Lower | 95% CI Upper | Mean % Impr/yr | 95% CI Lower | 95% CI Upper | N Athletes |
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