Trick your attacker into thinking that you are going in one direction and then go in the opposite direction.
Pretend that you are about to throw something in your hands that your attacker wants. If you are about to be tackled so your attacker can acquire an item in your hands, pretend to throw the item and run past her.
Out run your attacker. You can avoid being tackled by running away from her faster than she can catch up.
Pretend to call a truce or a timeout. When your attacker approaches, hold up your hands in the shape of a T to signal for a timeout or yell "Truce." When your attacker stops moving towards you, run away.