NorCal Surfing

OK, Im a blue belt. I dont feel like I am improving. I train 3 days a week minimum and I do open mat on saturdays so i feel like Im putting in an appropriate amount of mat time to improve, but guys are just passing me by left and right. Im not trying to do a bunch of fancy new positions or techniques. I just try to focus on being fundamentally sound. Ive been training inconsistently for probably five years. Maybe 3 of those years were consistent, 3 day a week years. Only 1 under a black belt. But I cant use that as an excuse because guys that I could tool before are doing the same training as me, but they are improving faster.