The endurance category has to go to Eddy Merckx in 1972. Even with all the dope in the world, this list will never be touched. Untold thousands of miles on a 30 lb. steel bike, no less.
<dt style="font-weight: bold; margin-bottom: 0.1em; color: rgb(0, 0, 0); font-family: sans-serif; line-height: 19.200000762939453px; ">1972 (Team Molteni)</dt><dd style="line-height: 19.200000762939453px; margin-left: 1.6em; margin-bottom: 0.1em; margin-right: 0px; color: rgb(0, 0, 0); font-family: sans-serif; ">Tour de France<dl style="margin-top: 0.2em; margin-bottom: 0.5em; "><dd style="line-height: 1.5em; margin-left: 1.6em; margin-bottom: 0.1em; margin-right: 0px; ">
Overall classification</dd><dd style="line-height: 1.5em; margin-left: 1.6em; margin-bottom: 0.1em; margin-right: 0px; ">
Points classification</dd><dd style="line-height: 1.5em; margin-left: 1.6em; margin-bottom: 0.1em; margin-right: 0px; ">6 stages</dd></dl></dd><dd style="line-height: 19.200000762939453px; margin-left: 1.6em; margin-bottom: 0.1em; margin-right: 0px; color: rgb(0, 0, 0); font-family: sans-serif; ">Giro d'Italia<dl style="margin-top: 0.2em; margin-bottom: 0.5em; "><dd style="line-height: 1.5em; margin-left: 1.6em; margin-bottom: 0.1em; margin-right: 0px; ">
Overall classification</dd><dd style="line-height: 1.5em; margin-left: 1.6em; margin-bottom: 0.1em; margin-right: 0px; ">4 stages</dd></dl></dd><dd style="line-height: 19.200000762939453px; margin-left: 1.6em; margin-bottom: 0.1em; margin-right: 0px; color: rgb(0, 0, 0); font-family: sans-serif; ">Hour record - 49.431 km</dd><dd style="line-height: 19.200000762939453px; margin-left: 1.6em; margin-bottom: 0.1em; margin-right: 0px; color: rgb(0, 0, 0); font-family: sans-serif; ">Milan – San Remo</dd><dd style="line-height: 19.200000762939453px; margin-left: 1.6em; margin-bottom: 0.1em; margin-right: 0px; color: rgb(0, 0, 0); font-family: sans-serif; ">Liège–Bastogne–Liège</dd><dd style="line-height: 19.200000762939453px; margin-left: 1.6em; margin-bottom: 0.1em; margin-right: 0px; color: rgb(0, 0, 0); font-family: sans-serif; ">Giro di Lombardia</dd><dd style="line-height: 19.200000762939453px; margin-left: 1.6em; margin-bottom: 0.1em; margin-right: 0px; color: rgb(0, 0, 0); font-family: sans-serif; ">La Flèche Wallonne</dd><dd style="line-height: 19.200000762939453px; margin-left: 1.6em; margin-bottom: 0.1em; margin-right: 0px; color: rgb(0, 0, 0); font-family: sans-serif; ">Giro dell'Emilia</dd><dd style="line-height: 19.200000762939453px; margin-left: 1.6em; margin-bottom: 0.1em; margin-right: 0px; color: rgb(0, 0, 0); font-family: sans-serif; ">Giro del Piemonte</dd><dd style="line-height: 19.200000762939453px; margin-left: 1.6em; margin-bottom: 0.1em; margin-right: 0px; color: rgb(0, 0, 0); font-family: sans-serif; ">Grote Scheldeprijs</dd><dd style="line-height: 19.200000762939453px; margin-left: 1.6em; margin-bottom: 0.1em; margin-right: 0px; color: rgb(0, 0, 0); font-family: sans-serif; ">Trofeo Baracchi, with Roger Swerts</dd><dd style="line-height: 19.200000762939453px; margin-left: 1.6em; margin-bottom: 0.1em; margin-right: 0px; color: rgb(0, 0, 0); font-family: sans-serif; ">Super Prestige Pernod International</dd>
<dt style="font-weight: bold; margin-bottom: 0.1em; color: rgb(0, 0, 0); font-family: sans-serif; line-height: 19.200000762939453px; ">1972 (Team Molteni)</dt><dd style="line-height: 19.200000762939453px; margin-left: 1.6em; margin-bottom: 0.1em; margin-right: 0px; color: rgb(0, 0, 0); font-family: sans-serif; ">Tour de France<dl style="margin-top: 0.2em; margin-bottom: 0.5em; "><dd style="line-height: 1.5em; margin-left: 1.6em; margin-bottom: 0.1em; margin-right: 0px; ">
