Originally Posted by conspiratemus1

As an extension of Rule 49, field repair that requires removing the rear wheel is the only circumstance where laying a bike down is permissible, other than in a slide-crash. Laying it down just because you aren’t riding it at the moment is an invitation for someone to trip over it, or back a motor vehicle over it, maybe even you. And a field full of tipped-over bicycles just looks messy. Gideon would be appalled.