Lighter doesn’t always mean faster. Rob Kemp investigates why muscle and fuelling matter much more than the number on the scales

Hard training could be affecting your gut health – here’s how to protect it during intense exercise

‘How can I ensure I’m prepared for a huge biking day?’

Ergogenic aids promise runners an extra edge. But do they actually work?

According to a new study, cramming carbs on the morning of a big run is a futile plan

Not enough time to squeeze in strength training? Maybe think again. One study saw 10 of 19 female duathletes add twice-weekly strength sessions to their multisport programme. These comprised just four