I end up not using my hate combo for those big pulls in speed runs. I face pull everything (if a dps or a healer gets trigger happy it can screw me, but the only time I do speed runs is with my FC and they know better than that) and Flash/CoS as soon as it gets into a pile. I Flash several times then use my Riot Blade combo to keep my mana up so that I can keep using Flash. We usually run BLM/BLM or BLM/BRD and I have yet to have major problems with them yanking hate off me en masse when running this way. One mob here or there is dealable with Provoke + Shield Lob. Then again, like I said, I only run SR's with my FC and they know how to handle it if they do start pulling hate, i.e. move closer to me so I can get the mob back rather than kiting it away.

Try using FoF early in the pull as it raises your attack and therefore raises the enmity generated by Flash.