The matter has turned into a vicious court battle.
An American beat a Kenyan in the Peace Garden State.
She says there were blood spots in his bedroom.
The runners had competed against each other since 2007.
Britain's Chris Thompson was able to hang with him for most of the race.
He was the first non-Kenyan male to win in 20 years.
Post-run sprints are also part of their regimen.
The race-day conditions were brutal.
He wants to run a sub-12:50 5000m in Monaco.
It was the first time a Dutchman won the race in four years.