When you ride fast and then rest for a bit, it causes a spike in your heart rate and helps your body deal with lactic acid. But you don't need to make it too complicated. Yorkshire is perfect because the hills work as intervals - you ride up them hard and then recover before the next one. Or you can just sprint to the next tree or lamppost.

London 2012 was superb. It was the best triathlon experience in a million years.

It's better to train for 4-5 hours a week than to do ten hours one week then nothing for two weeks. It helps your body adapt and also maintains your fitness.

Alistair Brownlee Quotes