My resting heart rate is not particularly low (in the 70's). I'm kind of a high-strung individual all-around. I can hit 180 bpm with pretty fair regularity in a bike race, but can't hold it that high for long. For a Time Trial, I can hit about 170 bpm for 20-30 mins.
If I can remember to bring all the goodies, I'll post HR data from the salt.
Steve.