Follow the action as it unfolds...
200 Xtreme & Sprint racers and volunteers will see the action firsthand this weekend.
You'll be able to follow the race from home via live coverage and updates on the Checkpoint Tracker leaderboard.
About the One Day Xtreme AR: http://www.oarevents.com/event.asp?id=89&catID=1
Going Live at 7am Sat: Xtreme Checkpoint Tracker: http://www.checkpointtracker.com/index. ... ventID=103
About the National College Sprint AR #1: http://www.oarevents.com/event.asp?id=94&catID=1