http://kickass.to/psitalia-t7011821.html Multigame demo with CTTR E3 demo
http://www.betaarchive.com/forum/viewtopic.php?t=27137 Source of above torrent, more info
http://www.emudigital.net/foro/texturas-de-n64/31731-pre-lanzamiento-crash-team-racing-64-beta.html Have no idea what emudigital is and the MF links below are from there..
http://www.mediafire.com/download/xauh04avaucazvd/Crash+Team+Racing+64+%28Beta%29.part1.rar
http://www.mediafire.com/download/3b4mwdyeytt31mh/Crash+Team+Racing+64+%28Beta%29.part2.rar