City of Rochester has portable Event Racks for loan
Move it and stack it
The Event Rack is an innovative design that addresses the needs of any game, festival, or event requiring temporary and secure bike parking. It is easily moveable, stackable and requires no assembly. When your event is over, stack the Event Racks in a pick-up, van, or trailer, and store in a minimal amount of space.
User friendly, too
The Event Rack is the first rack of its kind that is completely user-friendly: it’s fully U-lock compatible and supports the bike frame in two places. This means that volunteer staffing and tickets are not required and your staff can focus on other tasks.
The Event Racks are available for loan by the City of Rochester for City located events.
See – http://www.dero.com/products/event_rack/event_rack.html