Event: Heptathlon

The young Sheffield-born lass may only be 5'5" but this furiously fit athlete can jump higher than most people around – in fact she is one of only ten women who have ever managed the feat of jumping a whole foot above their own height.

The heptathlons combine seven track and field events including: 100m hurdles; 200m; 800m; high jump; long jump; shot put and javelin.

Despite a crippling foot injury which meant she missed out on the Beijing Olympics in 2008, Ennis has gone from strength to strength scooping up a World Championship and Indoor title along the way.