SCA883 and GevarM96 keep producing stellar Tsavo Highway runs, and these two runs are no different.
First, they match their run time on Easy with a new run on Normal that almost exactly matches. Seriously, test it out for yourself, they are pretty similar.
Next, they improve their Legendary with a run that really proves the title. The Arbiter dies 3 times in the run, but they are all in an effort to distract the enemy, and get a faster run. Oh wait, did I forget they manage to clear the barriers with half of a 360-flip?