17-year-old Mary Cain wins women's Wanamaker Mile.
24-year-old will work with Alberto Salazar in Oregon.
He will square off against Lawi Lalang in the 2-mile race.
He's going for his best-ever 2-mile time.
A mind-blowing elite field is set for the second annual event.
The Canadian is likely to double in the 5000m and 10,000m events in London.
Lopez Lomong won the 5000m in 13:11.63.