Hi ev1,
here are some notes on the ups and downs of the Olympic course - front 9 (in yds).
1: +4 / -30 (first up, then down)
2: +29
3: -57
4: -52 / +25 (approx.)
5: -61
6: -26
7: +50
8: +22
9: -46 / +5
In addition, this is about 407 yds / 370 m. Quite a feat to walk IRL, if possible.