While most people were out enjoying their long weekend and trying to catch the fleeting sun, a group of cycling enthusiasts were racing through a boggy trench in Powys, Wales.

They were competing in the World Mountain Bike Bog Snorkelling Championships in Llanwrtyd Wells, where competitors have to ride a mountain bike as fast as they can along the bottom of Waen Rhydd bog – a two-metre-deep water-filled trench.