The closest we've got to this was the 1975 Peace Race, which opened up with a relay race in Berlin, with a 7km course being done as a relay by each of the team's six riders. Can't tell if it was done as a shuttle (like the luge team races) or as a genuine relay, with hand slings or whatever to tag people in, but it was kind of weird, as riders would be given their individual leg times but the stage win was based on the team, so although the Italian team won, Hungary's István Szlipcsevics wore the leader's jersey on stage 2 for setting the fastest lap and the GC was set as though it had been a prologue.The TTT relay race. Each rider rides an equal distance and needs to pass the team bidon on to the next teammate [rolling starts] and so on until the last rider (The GC one) takes it to the finish. All riders on the team get the same finish time.