Hello Blizzard,
When the time is right, consider that Dornegal Drift is a skyriding race in the main city. This means big lag. Imagine it is 5:00pm and there are 300 people running that race… I was doing okay and got it golded out, but I think that if some people are experiencing a drop into “urban-fps” then it might create frustration. Other than that, most of the other races were pretty easy and a designer could probably shave 4 seconds off the required time for gold. I was clearing them on average 7 seconds over the required gold time on advanced and reverse, so they could be tuned up a bit.
Either that, or when challenge races come out, it would be interesting to add more orbs, fireballs, etcetera to avoid.
Creative suggestion: Maybe add purple void gravity wells to skyriding races to pull players off the path and force them to burn green orbs accrued from abusing skyward ascent speed boosts… 
Also, what is the achievement reward for golding out all the skyriding races this patch? I look forward to it-- Hopefully a cool unlock to a new racing affix, or perhaps, a portal to someplace special… Maybe a mount stable, or a cool enchant for our mount armor. 