A new video has been published on icon_youtube Quake Speedruns Explained, a YouTube channel focused on Quake speedrunning (record progressions, key tricks and how top runs are built).

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This time the topic is e1m1, one of the most well-known Quake speedrun levels. The video goes over how Kisimov set a new world record and finally moved the top time into the 18-second range — currently listed as 0:18.973 on speedrun.com.

Most of the breakdown is about why the record dropped: a small but important change in the route/movement after the opening boost that makes the rest of the run cleaner. The video also walks through the experimentation that led to the new approach and how it was turned into a full record attempt.