1 definition by ultramarathonman
1. To prevent a male friend or associate from running a mud run, relay or individual race.
2. Any such attempt to prevent a male friend or associate from running
1. Damn, My wife just totally runblocked me this AM. Now I have to go to the zoo with the kids.
2. I would have run the race on Sunday but the runblock my husband put on me prevented it from happening. Bastard!
by ultramarathonman Sep 17, 2012 add a video