I was interested in this too. Here are some links i found:
RAGBRAI 2012 – Day 1 – Sioux Center to Cherokee – July 22, 2012
RAGBRAI 2012 – Day 2 – Cherokee to Lake View – Monday, July 23, 2012
RAGBRAI 2012 – Day 3 – Tuesday, July 24, 2012 – 81.2 Miles
RAGBRAI 2012 – Day 4 -Webster City to Marshalltown – Wednesday, July 25, 2012 – 75.2 Miles
RAGBRAI 2012 – Day 5 – Marshalltown to Cedar Rapids – Thursday, July 26, 2012 – 82 Miles
RAGBRAI 2012 – Day 6 – Cedar Rapids to Anamosa – Friday, July 27, 2012
RAGBRAI 2012 – Day 7 – Anamosa to Clinton – Saturday July 28, 2012
