He's racing the 1500m.
Over 100 world-class athletes had backed the bid.
The American 800m champion thinks his sport is dying.
In Daegu, he became the first Kenyan to ever win a world title in the 1500m.
The answer may surprise you.
He is back in action after being sidelined due to an ankle injury.
The multi-platform approach will give track and field fans 11 hours of viewing.
USA Track & Field is vehemently opposed to it.
Check out these great photos from the mid- and long-distance races at the season opener in Quatar!