Portal 2 : DFWC04-5 (Quake 3 Map) - 57.55s
Quake 3 jump/run map done in Portal 2. Parts of this map actually feel like strafe jumping in q3. DM_ did a nice job with it. I had a few fails in this run including the ending strafe which loses about 2 seconds so 52 and under should be possible.
Map link - http://steamcommunity.com/sharedfiles...
Song (courtesy of draiku) Logic - Bounce