The 2009 Gravel Grumble series is nearing the final event of the season, the Grumble 100.

The final event of the Gravel Grumble series takes place January 17 at 9am. It takes crazy riders 111 miles south, east, and north of Columbia, across county lines and to 4 towns, probably finishing after dark.

Grumble 100 map (click for details and cue sheet)

 Check back for more information!