These are mostly u19s i think. All between about 2:30-4:30pm. Have more, here's the race numbers I've got:
002, 007, 074, 602, 006, 681, 306, 308, 303, 615, 618, 602, 647, 624, 632, 648, 623, 661, 633, 649, 630, 625, 662, 656, 640, 655, 637, 604, 650 ,641
621, 609, 664, 614, 657, 629, 613...