1. Some one who runs like a retard.

2.The act of running like a mentally (or physically) disabled person. Could be done intentionally or non-intentionally.
1.Poor Josh never realized how much of he reminded me of a Runtard during the last track meet.

2. Jack was pretending to be a runtard on the soccer field.
by Kyle Harlow January 18, 2010
Get the Runtard mug.
footwear: those stupid looking rubber socks with toes that some runners actually run in.
Look at that runtard running in those stupid runtards
by OriginalDookie July 11, 2017
Get the runtards mug.