Don’t know what I’m doing

So did full route today with no Amazon they came in late so we are saving it for Monday, I had 3 trays of dps and the route is about 775 stops in total I left the office and started at 9 and didn’t finish clean up until 530. I’m about 60 days in and don’t know what I’m doing wrong I’m trying to gain speed but for some reason I’m just super slow and I watch the other carriers and I go at the same pace as them idk if I’m just taking too long organizing my packages or if when I make mistakes or what but it’s just crazy to me how I’m not picking up speed. I just need to vent I like the job and don’t find it that hard but all I hear is how I need to go faster and I feel like pace wise I do good but Idk what is making it to where I’m just so slow compared to the other guys.