The mens 5000m looks like a strong contingent. Here's the start list.
Men's 5000m
Name Nat
MARKOS GENETI ETH
BEKANA DABA ETH
DEJEN GEBREMESKEL ETH
NICK MCCORMICK GBR
EDWIN SOI KEN
BERNARD LAGAT USA
MICAH KOGO KEN
GEBRE GEBREMARIAM ETH
JUAN LUIS BARRIOS MEX
ABDI ABDIRAHMAN USA
ARON RONO KEN
SAHLE WARGA ETH
BOBBY CURTIS USA
HABTEMU FIKADU
ETH
THOMAS LONGOSIWA KEN
OSPHAT BOIT KEN
HARON LAGAT KEN
SAM CHELANGA KEN
I say it comes down to Lagat, Longosiwa, Kogo, and Soi. I give Lagat the edge though. It could be a good opportunity for someone like Bobby Curtis to give an A standard qualifying time, and I wonder what Chelanga is capable of since his 13:19i run in early February.