MediaBuyerPlanner: Runner's World is increasing its rate base for the twelfth straight year, marking a 23 percent increase over the last five years, according to Runner's World Media Group.

The magazine's rate base will go from 630,000 to 640,000 beginning with the January 2008 issue

This increase comes on the heels of record advertising sales for Runner's World. From January to October of 2007, Runner�s World set a new record with $59.9 million in PIB revenue with 615 pages of sold-ad space reported in the same period.

This marks the fifth straight year that Runner�s World ad revenue has grown by more than 10 percent.