This weekend thousands of runners will test themselves to the full in the annual Flora London Marathon. At 42.195 km, it is a race of endurance. But why 42.195 km? That is tied up in the history of the 1908 London Olympic Games. But why does the United Kingdom press call it a 26 mile 385 yard race and does it matter? For the record, two measurements differ by 1 cm. (Article contributed by Martin Vlietstra)
One of the least known metric units – and one which journalists and estate agents seem to struggle with – is the hectare (ha). So perhaps it will help to relate this very useful measure to the sizes of sports fields. Article (including diagrams) by Martin Vlietstra.
Continue reading “How big is a hectare?”