In his Olympic debut, Blacksburg High School and Virginia Tech graduate Ian Ho came in first in his heat at 49.49.
Racing in the fourth heat, his time was not fast enough to qualify for the semifinals.
Across the nine heats, only the top 16 swimmers advanced, with the slowest time among them being Great Britain’s Jacob Whittle at 48.44 seconds.
Among the 71 swimmers in the event, Ho’s time finished 34th overall.
He’ll return to the pool on Friday at 6:14 a.m. EDT in heat 7 of 10 in the 50m freestyle.
If you want to watch Ho’s 100m heat, click here and fast-forward to 13:45 in the video
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Blacksburg High School and Virginia Tech graduate Ian Ho will make his Olympic debut on Tuesday.
The event has nine scheduled heats, which begin at 6 a.m. EDT.
Ho, who is a member of Team Hong Kong, is taking part in Heat 4 of the Men’s 100m freestyle, which is slated for 6:09 a.m.
Click here to watch the event as it happens.
If he advances, the event’s semifinal round is scheduled to take place on Wednesday.