This event is organized, at least in part, as a marathon one can hike or run,
https://bataanmarch.com/ .
Many soldiers died during the Death March. Many died in POW camps. Some died on Hell Ships while being transported to Japan. Some were slave laborers in mines in Japan. Some were "guests" of Unit 731. The Death March was the first circle of a Hell: some descended; some "got off" on one of the circles; too few emerged from the other side.