Your "Individual Grade" is based upon your individual weekly averages across the four categories: Days, Cardio, Strength and Variety. It grades your individual performance on a curve against all other TFL users! In "Pairs" and "Lone Wolf" leagues, it is the second most important statistic in determining your ranking within the league (behind W-L-T).

In the below table, you can see the thresholds you have to hit in order to qualify for difference Individual Grades: