Early bird registration for the Dirty Duo lasts until Feb 9 only. For those not aware the Dirty Duo is a mountain bike and/or trail running race in Vancouver’s North Shore. Racers can compete in one of six categories:

• Run 25 km,
• Run 15 km (NEW in 2007),
• Run 50 km ultra (first of the Montrail Ultrarunning Series),
• Do a relay; one runs and the other rides,
• Do it all! Go solo and do both the 25 km run and 30 km bike,
• Mountain bike 30 km only.

 To take advantage of the lower rates register now at http://www.eventsonline.ca/events/dirtyduo/