Kittie Knox was a cyclist during the bicycle boom of the late 19th century. She was biracial and became known not just for participating in a predominantly white sport, but also for the clothes she wore to do it.
Research:

Unearthed! In Spring 2026, Part 2
38:47

Unearthed! In Spring 2026, Part 1
43:14

SYMHC Classics: Gustave Courbet
40:51