His 8:16.92 beat his pre-1992 personal best by nearly 15 seconds.
The light was beating him with its sweeps by nearly two seconds.
A competitor passed and beat her by 29 seconds.
Romme's previous best in the 10,000 was 13:46.44; he beat that by more than 31 seconds.
De Jong beat him by nearly four seconds in the 10,000.
Sanders beat her previous best time by more than two seconds in the 400-meter individual medley, with a 4:37.73.
He beat his best time by eight seconds after two other guys had broken world records.
He beat Roberts by 0.736 seconds to win the gold medal, his first senior world title.
His four year older sister Martina beat him by 1.53 seconds, however, when she won the women's 5,000-m.
She came last in a straight final, but beat her entry time by 14 seconds.
