Sam Bowie of the Portland Trail Blazers shoots over Kareem Abdul-Jabbar of the Los Angeles Lakers during a game circa 1984-1988 at the Great Western Forum in Inglewood, Calif. Bowie's NBA career is the subject of a new ESPN documentary airing Thursday. Rick Stewart/Getty Images hide caption

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In speed golf, players run between holes carrying their clubs and often finish an 18-hole round in less than an hour. iStockphoto hide caption

itoggle caption iStockphoto