Speed and Sparky survive the crash and quickly catch up to the other racers. Speed saves Lovelace from an ice crevice in Antarctica. In Sahara, a wind storm buries the races in the sand. On the last leg of the race, Speed gives Lovelace some of his gas. After Speed runs out of gas, Racer X shows up and gives Speed a lecture about his duty to win as a professional racer vs. his desire to help his competitors, and leaves a gas can. Speed wins the race becoming world champion race and Lovelace reveals herself to her father.
レースに勝利するため手段を選ばぬ妨害工作を仕掛けてくるレーサーたち。剛はフェアプレイに徹してレースを続けるが、それが思わぬピンチを招く。数々の難関を突破し、剛はマッハ号でゴールを目指す。
