He flew past Mo Farah in the final stretch.
On July 17, she will try to qualify for the 10,000m.
The winner wasn't decided until the final 20 meters.
He stopped up short with 60 meters to go.
He has won the race on four occasions has and set the world record twice there.
The course is 21 kilometers of pure hill.
Both the second and third-place finishers of this year's marathon are in the mix.
Amy Hastings led the way for the Americans.
The runners had competed against each other since 2007.
He was there just to rabbit the race, but ended up winning it.