I admire runners older than I - they are now my heroes. I want to be like them as I grow older.
Yes, winning the gold medal was undoubtedly the biggest day of my career - mostly because I won the way I had prepared to run it. It was a totally satisfying experience.
There's always the feeling of getting stronger. I think that's what keeps me going.
Again, racing for me was about energy management.
Intervals and other types of speed work are essential to improve running speed.
You don't run 26 miles at five minutes a mile on good looks and a secret recipe.