Our booking engine at tickets.railforums.co.uk (powered by TrainSplit) helps support the running of the forum with every ticket purchase! Find out more and ask any questions/give us feedback in this thread!
At the risk of being a pain: aren't you, here, heading further down the East Coast Main; when per the itinerary, after Doncaster we "turn left" onto the GN & GE Joint line towards Lincoln and Spalding?