12-year-old Conor Smith from Halesowen wrestled with the whopping fish for half an hour before successfully reeling in the 13 stone 5oz tuna.
The fish is twice his size and the same length as he is tall. He caught it during a family holiday to Madeira and is waiting to find out if it is a new junior record.
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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.