Chapter 9, "The River" explores the relationship between imperialism, post-colonialism, the regulation of voice, and the construction of modern endurance sports science and theory.

Rather than treating physiology as a neutral body of knowledge, this chapter examines how authority in endurance culture is produced, protected, and enforced. It traces how certain ways of speaking about the body came to count as scientific, while others were dismissed as subjective, anecdotal, or unserious. The result is not just a training paradigm, but a hierarchy of legitimacy that determines who is allowed to speak, what kinds of experience are trusted, and which explanations are permitted to stand.

Chapter 9 situates endurance science within a broader historical pattern. It draws parallels between imperial systems that centralized knowledge and erased ...