Players will want to watch the game and see if they notice a certain horse winning the race under certain conditions. Keep X/A held until the end of the race and see if you win.Immediately tap d-pad down while still holding X/A to start the race.Press and hold X/A on the increase bet arrow.Select your horse to bet on – 1 or 2 are most likely to win.
To summarise the GTA Online Inside Track glitch method: