Ostrava - Jamaican athletics superstar Usain Bolt easily beat compatriot and this season's fastest man over 100m Steve Mullings here on Tuesday at the Golden Spike event
Results from the Ostrava Golden Spike on Tuesday
The 24-year-old world record holder timed 9.91sec, the same time as he ran in the Diamond League event in Rome last week.
Mullings finished in 9.97sec, shy of his season's best of 9.89sec run in April while Antigua's Daniel Bailey was third in 10.08sec.
Bolt only returned to competition in Rome last Thursday after a nine-month break since he was beaten by American Tyson Gay in Stockholm last August.
Earlier on Tuesday, Jamaica's Veronica Campbell-Brown, the reigning double Olympic 200m champion, clocked this season's lead time in the 100m, storming across the line in 10.76sec, ahead of Bahamas veteran Debbie Ferguson and compatriot Schillonie Calvert.
Campbell-Brown also set an unofficial world record of 9.91sec on the 100-yard distance measured within the Ostrava race.
Indeed it was a great night for the powerful Jamaican contingent as Marvin Anderson won the 200m in 20.27sec and his compatriot Jermaine Gonzales dominated the 400m in 45.07sec.
South Africa's LJ van Zyl equalled his own world-leading time of 47.66sec in the 400m hurdles while reigning Olympic 110m hurdles champion and world-record holder Dayron Robles from Cuba won in 13.14sec, slower than his world-leading time from last weekend by 0.07sec.
Germany's Matthias De Zordo won a thrilling javelin competition as he recorded his best throw of 85.78m in the final round, squeezing past 2007 world champion, Finland's Tero Pitkamaki.
The men's high jump saw an engrossing duel between Russia's Ivan Ukhov and Germany's Raul Spank with the Russian prevailing after both cleared 2.32m.
American Francena McCorory topped the women's 400m in 50.64sec, beating Czech Denisa Rosolova and United States reigning world champion Sanya Richards-Ross.
Kenyan Paul Kipsiele Koech won the 3000m steeple in 8:02.56 and Germany's Silke Spiegelburg topped the women's pole vault with 4.60m.
Ethiopia's Meselech Melkamu won the women's 10-km race in 31:14.83.
Russia's Maria Abakoumova won the women's javelin with 65.81, beating home favourite Barbora Spotakova, the 2008 Olympic gold medallist in the event.