He won back-to-back one-mile run titles at the outdoor IC4A championships in 1904 and again in 1905, and set the world record in the mile-and-a-half run in Madison Square Garden in 1905.
Munson graduated from Cornell University in 1906 and was a member of the Sphinx Head Society, the oldest senior honor society at Cornell University. He was inducted into the Cornell University Athletic Hall of Fame in 1988.