Nike Marathon Splits

Per my trusty Timex IronMan watch, here were my split times from this weekend's Nike Women's Marathon:

Mile 1: 10:32.25
Mile 2: 10:34.11
Mile 3: 9:18.91
Mile 4: 10:39.77
Mile 5: 12:44.16*
Mile 6: 5:43.31*
Mile 7: 10:25.07
Mile 8: 8:47.84 fastest mile
Mile 9: 10:01.97
Mile 10: 9:33.33
Mile 11: 9:21.88
Mile 12: 9:25.55
Mile 13: 10:01.68
1st HALF: 2:07:09

Mile 14: 9:09.00
Mile 15: 9:11.42
Mile 16: 9:35.34
Mile 17: 9:21.37
Mile 18: 9:38.65
Mile 19: 10:36.67 the beginning of my slow decline around Lake Merced
Mile 20: 10:20.98
Mile 21: 10:34.47
Mile 22: 10:52.46
Mile 23: 11:23.31 slowest mile
Mile 24: 11:21.41
Mile 25: 10:30.93 Coach Katie was running with me at this point, and she helped me pick up my pace a bit.
Mile 26.2: 11:16.95
2nd HALF: 2:13:51

TOTAL TIME: 4:21:02

*Note: The mile 5 marker was incorrectly placed. As such, I don't have a precise split time for miles 5 and 6. On average, though, it looked like I was running a 9:15 pace, which sounds right.