Olympians are looking to improve their closing speed.
He wants a gold at the World Championships.
Watch as Galen Rupp accepts his award at Endurance Live.
His 3000m race in Stockholm was the best American performance at that distance of all time.
He bettered Bernard Lagat's 3,000m mark.
Hagos Gebrhiwet sets meet record in men's 3K; Mary Cain shatters HS 2-mile record.
The newly minted 3:50 miler will be going for the American record on Saturday.
The Olympic silver medalist won by a dominating seven seconds.
He's coached by Greg McMillan.