There are few doors still closed to women in sports.
They regularly kick butt in the MMA cage, though according to Sports Illustrated there are still some who think they don't belong there.
Women now regularly compete against men in auto racing (hello, Danica Patrick), and in 2011 they won a long battle to compete in Olympic ski-jumping with the announcement that women's events will be included in the 2014 Sochi Winter Games.
But one bastion that's been hard to crack has been the Calgary Stampede's bronc-riding event. Kaila Mussell hopes to change all that.
The annual Stampede is the holy of holies in professional rodeo. What the Masters is to golf, the Stampede is to cowboy sports.
[ Related: Women ski jumpers not just courageous on the jump ]
According to CBC News, there were women saddle-bronc riders in the Stampede's early years but the formation of the Rodeo Association of America in 1929 led to the gradual exclusion of women from almost everything except barrel racing. The forceRead More »from B.C. cowgirl vies to smash gender barrier at this summer’s Calgary Stampede