We live in a world where sports have the potential to bridge the gap between racism, sexism and discrimination. The 2012 Olympic Games was a great start but hopefully what these games taught us is that if women are given an opportunity on an equal playing field the possibilities for women are endless.

I love track and field, but I also know the day will come when I will have to do something else.

I'm not shy. I'm modest, but I'm very outgoing.

Girls playing sports is not about winning gold medals. It's about self-esteem, learning to compete and learning how hard you have to work in order to achieve your goals.

When I started competing, you had to have your coach there. Now you can be coached from a home office via Skype or video. That's not the same as having them on the field with you.

There are many women who came before me who didn't really have the same opportunities that I have had. That's why I always wanted to be a great ambassador - not only today's generation - but for the women who really didn't have a voice, but who paved the way for me.

The only person who can stop you from reaching your goals is you.