Nearing the end of the course, 200m from home the runners faced the 'sting'.
It takes them up Plough Hill and to the finish line in the market place.
Pictures by Dianne Tuckett; more to follow
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Caistor Sting 2021
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Caistor Sting 2021
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Caistor Sting 2021
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Caistor Sting 2021
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