The progression of the UCI Hour Record in cycling for Men, broken up into the three currently recognized categories:
<div class="legend" style="direction:ltr;line-height:23px;"><div class="legend-content" style="display:inline-block;vertical-align:top;box-sizing:border-box;width:34px;height:23px;overflow:hidden;font-size:15px;border:thin solid #333;background:#1f77b4;color:#202122;text-align:center;"> </div> UCI Hour Record</div>
<div class="legend" style="direction:ltr;line-height:23px;"><div class="legend-content" style="display:inline-block;vertical-align:top;box-sizing:border-box;width:34px;height:23px;overflow:hidden;font-size:15px;border:thin solid #333;background:#ff7f0e;color:#202122;text-align:center;"> </div> UCI Best Human Effort</div>
<div class="legend" style="direction:ltr;line-height:23px;"><div class="legend-content" style="display:inline-block;vertical-align:top;box-sizing:border-box;width:34px;height:23px;overflow:hidden;font-size:15px;border:thin solid #333;background:#2ca02c;color:#202122;text-align:center;"> </div> UCI Unified Record</div>
Data is from <a href="https://en.wikipedia.org/wiki/Hour_Record" class="extiw" title="wikipedia:Hour Record">English Wikipedia Hour Record Article</a>.
<a href="//commons.wikimedia.org/wiki/User:Falcorian" title="User:Falcorian">Falcorian</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>