The phrase "made tracks" means to leave or depart quickly from a place. As for antonyms, these could include phrases such as "lingered" (to stay in a place for a long time), "hesitated" (to pause or delay in leaving a place), "dawdled" (to walk slowly and aimlessly), or "delayed" (to put off leaving for a period of time). These opposite actions express a reluctance to leave a place quickly or a desire to savor the surroundings before departing. However, when it is necessary to leave quickly, making tracks could be the preferred course of action.