Since I have never played an MMO with a racing sub-game in it I didn't think that there might be a different mechanic involved.

No wonder the Devs aren't responding to those requests - one way or the other. They can't afford to encourage the player base in this aspect. To provide such a feature has to involve a TON of coding and testing and re-coding and re-testing, and....

I'd rather the SE put its effort into adding functionality to the Market Board / Retainer system. And into fixing the lag issues that are causing such trouble in the high-level dungeons.