The Speed Runner of Death Mountain (死神山のスピードランナー Shinigami yama no supīdo ran'nā) is the forty-eighth episode of Ultraman 80.
The Marathon Kid comes down from the mountains to race. But, when he grows angry, he becomes the monster Idantenran.
- Ultraman 80 Volume 13 features Episodes 47-49
- The episode was premiered in the United States on TOKU in April 27, 2017.