wo new classes have been added to 2016 line up. This season will now feature a 206 Senior Heavy class and a 206 Masters class... morewo new classes have been added to 2016 line up. This season will now feature a 206 Senior Heavy class and a 206 Masters class. Both classes will race at 390 lbs, and Masters will have an age restriction of 40 years of age or older. Additionally, last year's 206 Senior class will now be known as 206 Senior Medium and will race at 350 pounds.