"I can't wait to be racing through the streets of Chicago. As a notoriously fast course, I am out there to run a PR and compete with some of the world's best until the very end."

You may also like:

• 

  Dathan Ritzenhein
  

• 

  Deena Kastor
  Olympic athlete

• 

  Desiree Linden
  Runner

• 

  Jennifer Rhines
  Olympic athlete

• 

  Kara Goucher
  Olympic athlete

• 

  Lauren Fleshman
  

• 

  Meb Keflezighi
  Olympic athlete

• 

  Paula Radcliffe
  Olympic athlete

• 

  Shalane Flanagan
  Runner