2012 U.S. Olympic Trials Attendance:

Day 1 - 20,936

Day 2 - 21,795

Day 3 - 21,809

Day 4 - 21,626

Day 5 – 22,602*

Day 6 – 21,097

Day 7 – 20,791

Day 8 – 22,497

Eight day total: 173,153

*Hayward Field record

(2008 eight-day total: 167,123)