alberto you should know better...flat coke is 10X better than gator or power aid...honestly you can't go wrong with plain water and a gu packet every 5 mi.
kara got bad advice and should go find another marathon ASAP, maybe Montreal on Sept 13. ( offering $10K prize money) But more importantly she needs to get this monkey off her back sooner rather than later as she's done the work and deserves results.