This week: The British and World Marbles Championship — held at the Greyhound Inn at Tinsley Green, West Sussex
Next week: International worm charming championships at Totnes in Devon.
June: Toe-wrestling and snail racing.
August: Bog Snorkelling, Wane Rydd Bog at Llantrwyd Wells in mid-Wales.
Autumn: Competitive lie telling in Cumbria.