Back to the subject at hand, the semi final start lists are out and different from what I expected - will have to look and see how they got assigned like this:
Heat 1 seems to have the fastest 5 seed times - all those 4:08s from the west
Heat 1 Prelims
1 Mia Barnett SO UCLA 4:08.44
2 Simone Plourde JR Utah 4:08.70
3 Klaudia Kazimierska FR Oregon 4:08.53
4 Katelyn Tuohy SO NC State 4:14.09
5 Margot Appleton SO Virginia 4:14.54
6 Abbe Goldstein SR New Mexico 4:10.32
7 Maddy Elmore FR Oregon 4:08.87
8 Sophie O'Sullivan SO Washington 4:08.06
9 Lauren Freeland JR Mich State 4:14.28
10 Kimberley May SO Providence 4:14.83
11 Gabrielle Wilkinson SR Florida 4:14.80
12 Maia Ramsden SO Harvard 4:14.52
Heat 2 Prelims
1 Izzy Thornton-Bott JR Oregon 4:12.38
2 Shannon Flockhart SO Providence 4:11.51
3 Billah Jepkirui FR OK State 4:12.39
4 Laura Pellicoro JR Portland 4:12.94
5 Olivia Howell JR Illinois 4:12.28
6 Melissa Riggins SO Georgetown 4:12.52
7 Silan Ayyildiz SO South Carolina 4:12.11
8 Tiana LoStracco JR Bradley 4:10.69
9 Amina Maatoug SO Duke 4:13.16
10 Anna Gibson SR Washington 4:12.71
11 Rylee Penn JR Cincinnati 4:12.17
12 Flomena Asekol JR Alabama 4:12.72