Helmut Dähne
...that Helmut Dähne has held the official motorcycle lap record on the 20.8 km (12.9 mi) long Nordschleife track in Germany since 1988?
...that <b id="mwBP4"><a href="./Helmut_Dähne" id="mwBP8" rel="mw:WikiLink" title="Helmut Dähne">Helmut Dähne</a></b> has held the official motorcycle lap record on the <span about="#mwt10" data-mw='{"parts":[{"template":{"target":{"wt":"convert","href":"./Template:Convert"},"params":{"1":{"wt":"20.8"},"2":{"wt":"km"},"3":{"wt":"mi"},"abbr":{"wt":"on"},"4":{"wt":"1"}},"i":0}}]}' id="mwBQA" typeof="mw:Transclusion">20.8</span><span about="#mwt10" typeof="mw:Entity"> </span><span about="#mwt10">km (12.9</span><span about="#mwt10" typeof="mw:Entity"> </span><span about="#mwt10">mi)</span> long <a class="mw-redirect" href="./Nordschleife" id="mwBQE" rel="mw:WikiLink" title="Nordschleife">Nordschleife</a> track in <a href="./Germany" id="mwBQI" rel="mw:WikiLink" title="Germany">Germany</a> since 1988?