This charts shows the average weekly training mileage for 1,000 London Marathon 2016 finishers as obtained from strava athletes data, versus a number of training plans from Runners World. The data is rendered using a combination of d3 and d3fc components.
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February 3, 2023 22:30
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Weekly mileage vs. Marathon training plans
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| license: mit |
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| <!DOCTYPE html> | |
| <!-- include polyfills for custom event, Symbol and Custom Elements --> | |
| <script src="//unpkg.com/babel-polyfill@6.26.0/dist/polyfill.js"></script> | |
| <script src="//unpkg.com/custom-event-polyfill@0.3.0/custom-event-polyfill.js"></script> | |
| <script src="//cdnjs.cloudflare.com/ajax/libs/document-register-element/1.8.0/document-register-element.js"></script> | |
| <!-- use babel so that we can use arrow functions and other goodness in this block! --> | |
| <script src="//unpkg.com/babel-standalone@6/babel.min.js"></script> | |
| <script src="//unpkg.com/d3@5.5.0"></script> | |
| <script src="//unpkg.com/d3fc@14.0.41"></script> | |
| <style> | |
| body { | |
| font-family: sans-serif; | |
| font-size: 1.2em; | |
| } | |
| .tick { | |
| font-size: 1.2em; | |
| } | |
| #chart { | |
| margin-top: 25px; | |
| } | |
| #chart>div { | |
| width: 50%; | |
| display: inline-block; | |
| } | |
| .cartesian-chart { | |
| position: relative; | |
| width: 50%; | |
| } | |
| .chart-label { | |
| position: absolute; | |
| top: -15%; | |
| left: 10%; | |
| } | |
| #chart>div:nth-child(1) .x-axis, | |
| #chart>div:nth-child(1) .x-label, | |
| #chart>div:nth-child(2) .x-axis, | |
| #chart>div:nth-child(2) .x-label { | |
| display: none; | |
| } | |
| #chart>div:nth-child(1) .y-axis, | |
| #chart>div:nth-child(1) .y-axis-label, | |
| #chart>div:nth-child(3) .y-axis, | |
| #chart>div:nth-child(3) .y-axis-label { | |
| display: none; | |
| } | |
| .gridline-y { | |
| display: none; | |
| } | |
| .gridline-x { | |
| opacity: 0.5; | |
| } | |
| .area { | |
| opacity: 0.1; | |
| fill: blue; | |
| } | |
| .multi:nth-child(3) .line { | |
| stroke-dasharray: 5, 5 | |
| } | |
| </style> | |
| <div id='chart'></div> | |
| <script src="mileage-versus-plan.js" type='text/babel'></script> |
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| 40 | 37.62692308 | 26 | 25.93230769 | 19 | 19.57583893 | 13 | 18.4953271 | |
|---|---|---|---|---|---|---|---|---|
| 48 | 39.20096154 | 32 | 27.18592593 | 25 | 20.95104895 | 20 | 18.87425743 | |
| 51 | 39.65904762 | 35 | 27.79185185 | 29 | 20.95 | 22 | 19.13457944 | |
| 43 | 39.37903226 | 31 | 28.44930556 | 27 | 21.766875 | 23 | 18.64678899 | |
| 52 | 44.6 | 39 | 30.93197279 | 30 | 24.1224359 | 24 | 22.82636364 | |
| 56 | 43.81967213 | 43 | 32.0589404 | 33 | 23.92051282 | 27 | 21.66 | |
| 60 | 46.40081967 | 47 | 31.71466667 | 37 | 25.96325301 | 32 | 24.64561404 | |
| 41 | 41.33125 | 36 | 30.13866667 | 31 | 25.1 | 31 | 23.28 | |
| 62 | 45.03362069 | 48 | 29.22450331 | 41 | 23.31886792 | 36 | 21.38684211 | |
| 44 | 44.5125 | 39 | 31.14802632 | 38 | 24.97267081 | 34 | 23.32605042 | |
| 60 | 47.42627119 | 46 | 32.56438356 | 43 | 26.5128655 | 38 | 25.36347826 | |
| 60 | 39.55481481 | 48 | 27.50451613 | 43 | 23.83885714 | 39 | 21.14690265 | |
| 58 | 44.47984496 | 45 | 31.50764331 | 42 | 25.78313253 | 39 | 21.85309735 | |
| 57 | 37.05078125 | 42 | 24.24509804 | 39 | 19.19710983 | 35 | 17.71578947 | |
| 41 | 23.56693548 | 31 | 16.46405229 | 30 | 12.39515152 | 24 | 11.24770642 | |
| 17 | 7.459090909 | 13 | 6.995731707 | 9 | 3.511827957 | 8.7 | 3.601526718 |
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| function shapeData(data, index, title) { | |
| var series = d3.zip( | |
| data.map(d => d[index]), | |
| data.map(d => d[index + 1]) | |
| ); | |
| series.title = title; | |
| return series; | |
| } | |
| d3.text('mileage-versus-plan.csv').then(text => { | |
| var data = d3.csvParseRows(text, d => d.map(Number)); | |
| var chartData = [ | |
| shapeData(data, 0, 'sub 3:00 marathon'), | |
| shapeData(data, 2, 'sub 3:30 marathon'), | |
| shapeData(data, 4, 'sub 4:00 marathon'), | |
| shapeData(data, 6, 'sub 4:30 marathon') | |
| ]; | |
| var upperLine = fc.seriesSvgLine() | |
| .crossValue((d, i) => i + 1) | |
| .mainValue(d => d[0]); | |
| var lowerLine = fc.seriesSvgLine() | |
| .crossValue((d, i) => i + 1) | |
| .mainValue(d => d[1]); | |
| var area = fc.seriesSvgArea() | |
| .crossValue((d, i) => i + 1) | |
| .mainValue(d => d[0]) | |
| .baseValue(d => d[1]); | |
| var gridlines = fc.annotationSvgGridline() | |
| .yTicks(5); | |
| var multi = fc.seriesSvgMulti() | |
| .series([gridlines, area, upperLine, lowerLine]); | |
| var chart = fc.chartCartesian( | |
| d3.scaleLinear(), | |
| d3.scaleLinear() | |
| ) | |
| .xDomain([0.5, data.length + 0.5]) | |
| .yDomain([0, 65]) | |
| .xLabel('Week') | |
| .yTicks(5) | |
| .chartLabel(d => d.title) | |
| .svgPlotArea(multi); | |
| d3.select('#chart') | |
| .selectAll('div') | |
| .data(chartData) | |
| .enter() | |
| .append('div') | |
| .attr('style', 'height: 200px') | |
| .call(chart); | |
| }); |
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