Question: When did the person who finished ahead of Chris Thompson in the 10,000 metres at the 2010 European Athletics Championships announce his intention to switch wholly to road racing?
Sentence (from "Chris Thompson (athlete)"): Christopher "Chris" Thompson (born 17 April 1981) is a British long-distance runner, who won the silver medal in the 10,000 metres at the 2010 European Athletics Championships in Barcelona, on 27 July 2010 behind his compatriot Mo Farah.
Relevant evidence: Yes