Again, track bias rather than the ability of horses and jockeys decides many races. There is an angled run of only about 250 metres to the sweeping double turn for home. It is not uncommon for horses to be caught wide until the home turn. Inside barriers have a significant advantage. Runners are on a curve until straightening for home at the 450 metres.
Wide barriers are usually a big disadvantage.
There is only a short run until a sweeping turn to the home straight. Inside barriers have an advantage. Inside barriers have a slight advantage. There is only a run of 200 metres to a tight double turn. Again there is a common misconception that because of the distance of the race barriers are not important.