Just in case you missed it (the local newspapers didn't mention it), there was an Olympic Development section at Stanford a few hours after the regular U.S. Open was over. Werknesh Kidane of Ethiopia set a U.S. allcomers record in the 10K, running 30:41.40. (old bes was 30:48.89 by Yoko Shibui at Cardinal Invitational last year).
Kidane's lap splits:
74.1, 75.3 [2:29.4], 74.8 [3:44.2], 74.1 [4:58.3], 72.8 [6:11.1], 74.8 [7:25.9], 73.8 [8:39.7], 73.4 [9:53.1], 72.0 [11:05.1], 72.1 [12:17.2], 73.7 [13:30.9], 75.3 [14:46.2], 74.6 [16:00.8], 73.3 [17:14.1], 75.3 [18:29.4], 75.6 [19:45.0], 75.1 [21:00.1], 71.9 [22:12.0], 71.4 [23:23.4], 73.4 [24:36.8], 73.8 [25:50.6], 74.5 [27:05.1], 73.9 [28:19.0], 73.5 [29:32.5], 68.9
kilos:
3:06.8, 3:04.3 [6:11.1], 3:05.7 [9:16.8], 3:00.4 [12:17.2], 3:06.7 [15:23.9], 3:05.5 [18:29.4], 3:06.7 [21:36.1], 3:00.7 [24:36.8], 3:05.1 [27:41.9], 2:59.5
halves:
15:23.9/15:17.5