Teaching fast swimming is a complex challenge ... but the simplest way to monitor tempo is by using a FINIS Tempo Trainer, an easy-to-use tool that helps swimmers refine their stroke efficiency ...

Athletes use their arm motion to pull themselves through the water, while the kicking tempo provides additional propulsion. Breathing patterns vary depending on the distance of an event and an athlete ...

Keen's trainer-hiker Tempo Flex boot only launched in February ... she spends most of her time hiking, cycling and wild swimming across Britain, testing out the latest adventure gear and clothing ...