[1] In later life he owned a sporting goods store in San Jose, California.

[2] Ryan competed in the Boston Marathon in 1907, finishing 15th, in 1908 he came in fourth place with a time of 2:27:08.

[4] On April 19, 1912, "over an unusually sticky course, Mike Ryan, wearing the colors of the Irish American Athletic Club of New York City won the Boston Athletic Association's sixteenth Marathon race with a time of 2:21:18," cutting the former record by 21.04 seconds.

"The roads in parts of the course were muddy and rough and Ryan's performance was a remarkable one."

[7] On May 27, 1911, against an array of international athletes, Ryan came in second place in a marathon sponsored by the Polytechnic Harriers in London, England with a time of 2 hours 50 minutes and 45 seconds.