Sambu faces Leonard Korir, Christo Landry, Haron Lagat, NCAA champ Ben Flanagan, and GB's Callum Hawkins while Chepkoech is up against Kim Conley, Kellyn Taylor and Gemma Steel. (Note: Lopez Lomong and Aliphine Tuliamuk have scratched.)
Brief race footage.
Frerichs discusses her American steeple record and training with the BTC.
Korir is also already thinking ahead to 2019 Worlds: “I can’t go and sleep even after the season ends. I have to work harder to be ready for Doha. It is a title that I long for..."
The list includes Kenya's former javelin World champ Julius Yego's 91.39m African and Diamond League record.
Asbel Kiprop was among those to say some words.
A UK journalist talks about his training adventures in Ethiopian which included things like 3AM hill repeats and six hour round-trips by bus. A good read, but he is discounting the genetic factor when he says Brits could have similar distance success if they trained like the Ethiopians did.
*MB: Guardian article on Ethiopian Training Philosophy