His final ultra marathon was in York, England.
Britain's Chris Thompson was able to hang with him for most of the race.
The legendary miler gives his full backing of the record attempt.
It was the first win of his career.
Both current world-record holders think so.
Olympic champion says he has knee problems.
She still owns the world record for 10K on the roads.
It could have been a serious assault had he not intervened.
He will be taking on the London and Stockholm Marathons.
The British track ace has a home-field advantage.