Human competition is eternal. We thrill to victory, we suffer the agony ofdefeat. No matter what the future brings, sports will be a part of it. But whatforms will these games take? Who will be the spectator, who will play? Willaliens be our opponents or machines? Will physical competition even exist? Whatrules will we play by? What will be at stake? What rewards will be reaped by thevictors? What fates await the defeated? Will the entire universe be our arena orwill our world be smaller than today? Visionary authors speculate on whatswifter, higher, stronger, and winning will mean in the near and distantfuture.