2. You think you have to run the race distance before the race
When I first started training, I had a goal that I wanted to complete the full 13.1 miles before I actually ran the half-marathon. But I’ve heard from several people that this plan isn’t always the best.
For one, you won’t get to that point until much later in your training schedule (probably a week or two before your race). This can tire you out before the big day. Second, many people have said that not completing the full distance beforehand is what really motivates you to push through on race day. It gives you something to strive for. It lights the fire when you’re on those last few miles.