This scatter plot visualizes doping in professional bicycle racing, showing each rider’s finish time against the race year, with circles colored by whether doping allegations exist. It uses D3 v5 with SVG rendering, employing `d3.scaleLinear` for axes, `d3.scaleOrdinal` and `schemeCategory10` for color encoding, and a custom tooltip on mouseover. Data comes from a CSV loaded via `d3.csv`, with times parsed into date objects using `d3.timeFormat`. Axis ticks include gridlines, and a legend distinguishes allegations from clean riders.