Run 33:40  4.4 mi (7:39 / mi)
shoes: LaSportiva Akasha size 10
No problems, just a sore back. Another course PB, by 15 seconds. Splits 8.10; 17.33). Again, just a case of concentrating a bit more. Still plenty of ways of knocking more time off, like warming up, speeding up on the long downhill etc.