I've found a better results page:
http://www.flashresults.com/2009_Meets/outdoor/Pre/
If you go there, you can find all of the splits for all of the runners in the 1,500.
http://www.flashresults.com/2009_Meets/outdoor/Pre/Women1500.pdf
Here are Barringers:
47.72(47.72) 1:53.08(1:05.36) 2:57.85(1:04.78) 3:59.90(1:02.05)