She should try this to get the color run out of her suit. This stuff works surprisingly well.... http://www.amazon.com/...er-2-6/dp/B000X8T9HY
Check the instructions though to make sure it can be used on the suits material.
And I have never had any trouble with my Nike bras. Although I usually wear black under any tri kits. I do, however, have several other bras that I've run in (neon) that bleed all over my shirts. Luckily, those runs have come out just soaking the shirts in water.