For those not intimately familiar with Arrowhead Trail, here are some videos and a “mapmyride” giving some idea:

http://www.mapmyride.com/routes/view/55003390

mapmyride approximate route, not showing zigs and zags especially around Elephant Lake. ¬†elevation gain not accurate, more like +7000′ from racer GPS data.

http://www.youtube.com/watch?v=xeWLedxPuNc

http://www.youtube.com/watch?v=Iw-1W6dj2Cw&feature=related

http://www.youtube.com/watch?v=-XdnanD9eLw

http://www.youtube.com/watch?v=9iBIfU-Zpuk&feature=related