What you need to know:
- America's Marvin Bracy won Heat 1 in 10.05, Jamaica's Ackeem Blake was second in 10.15 while Nigeria's Raymond Okevwo was third in 10.17.
Ferdinand Omanyala overcame adversity to qualify for the semifinals of the World Championships 100 metres at the Hayward Field in Oregon on Saturday.
The African champion ensured safe passage to the semi-finals with a third place finish in the last heat of the 100m won by Japan's Sani Brown in 9.98 sec.
Omanyala clocked a modest 10.10 seconds behind New Zealand's Edward Osei-Nketia (10.08, NR) while Brown won the heat in 9.98 to make the semis set for Sunday morning at 4am followed by the final at 5.50am Kenyan time.
Omanyala left the country on Thursday at 6pm for a five-hour flight to Doha before embarking on his longest ever journey of 17 hours to Seattle, United States.
The Africa 100m record holder would then board another one-and-half hours flight to Eugene where he arrived at 2.30am ready for the heats that got underway at 4.50am.
Defending champion Christian Coleman (10.08) announced his presence with a controlled in Heat 6, with Olympic 200m champion Andre de Grasse of Canada (10.12) coming second. Brazil's Eric Cardoso (10.18) was third to ensure he makes the semis.
America's world leader Fred Kerley brought the roof down at the Hayward Field in Heat 2, after producing a monster 9.79sec, Great Britain's Zharnel Hughes was second in 9.97.
America's Marvin Bracy won Heat 1 in 10.05, Jamaica's Ackeem Blake was second in 10.15 while Nigeria's Raymond Okevwo was third in 10.17.
Trayvon Bromell, the second fasted man in the world this year, also secure safe passage to the semis in front of his home fans with a 9.89sec performance in Heat 3. Cote d'Ivoire's Arthur Cisse (10.5) and Brazil's Rodrigo do Nascimento (10.11) took the other two automatic places to the semis.
Olympic champion Lament Marcell Jacobs also made it to the semis with a second place finish behind Jamaica's Oblique Seville.
Veteran Jamaican Yaohan Blake, who is Omanyala's role model, was second in Heat 5 in 10.04 behind Botswana's youngster Letsile Tebogo who set a new world junior record of 9.94sec.
Canada's Aaron Brown was third in 10.06, leaving former African champion Akani Simbine to face the anxious wait to know if he will be one of the non-automatic qualifiers.