Bombardier will not be confirmed as losing the Thameslink contract for another ten days according to reports.
German firm Siemens will only then be confirmed as the winners of the contract due to a legal requirement known as the Alcatel standstill period.
This allows time for unsuccessful bidders to challenge the decision.
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It will be a dry and bright start, however scattered showers will develop.
Rather cloudy, with some rain likely at first.
It's believed there were around 8,000 people who laced up for this year's 10k race.