Long-distance running - Wikipedia

Age grading: how masters runners level the playing field - Canadian Running Magazine

Running at 60

Run the Rainbow for Children's - University of Mississippi Medical Center

Why are late-in-life runners winning races? - The Washington Post

Down the Backstretch: Minnesotans Shine at Club Cross Nationals

Canada's Karla Del Grande sets two world records at masters meet - Canadian Running Magazine

2023 Masters Guidelines

New Age Grades! - World Masters Rankings

Island Vines 5k Running Race in Vt: RunVermont

Should the age for masters runners be increased? : r/running