What is a "Racing or Record Aircraft"?

We have had some debate about it, but not found any strict definitions – it will have to be up to each member…

 Many of us are most interested in pure speed, such as in pylon racing and speed records, but there are also enthusiasts for long-distance racing and records among us. However, a plane hardly becomes a racing plane because someone sticks a racing number on it, or becomes a record aircraft because it can be found in the Guinness Book of Records or any of the FAI lists of town-to-town records. On the other hand, many fantastic planes never achieved any success at all, or perhaps even left the ground.

There has to be some drama about Racing & Record Aircraft, the drama of exploring some unknown parts of mechanic, aerodynamic or human envelopes…