No -- she's competed in heptathlon and pentathlon, but not decathlon. See related links, below, for more information.
in the decathlon
Yes.
jessica ennis is a profetional athlete
Jessica Ennis, the athlete, is English, not Scottish.
jessica ennis marry HARRY HOLMES
Jessica Ennis was born on January 28, 1986.
Jessica ennis gets 100 pounds
She likes it. Who is Jessica Ennis?
did jessica ennis parent split up
Yes Jessica Ennis is fit because of all her running.
usain bolt is faster than Jessica Ennis.
Jessica Ennis Wanted To Be An Athlete Because She Wanted To Be Sporty