Lots of records-for-place are going to be set. For reference here are the ones before this race:
1. El G 3:26.00
2. Lagat 3:26.34
3. Lagat 3:28.51
4. Morceli 3:30.23
5. Magut 3:30.61 (earlier this year in Qatar)
6. Wote 3:30.86 (ditto above)
7. Birgen 3:31.22 (ditto above)
All of them 4+ look vulnerable