He eventually came fourth in the men's 100 meter preliminary race with a time of 10.90 seconds.
His fast preliminary races here surprised many people who felt he was not ready for high-level sprinting.
There were supposed to have been 34 candidates in the preliminary race but a Haitian political website came up with 38.
Biff had the attention of everyone for weeks before the event and no owners would run their horses in preliminary races with him.
The track wasn't two days old before it had its first fatality, in a preliminary race on Saturday.
The ten preliminary races took place in the afternoons of August 15-20.
The preliminary races, to select the defender and challenger, continue through May 1.
Note: Don Smith did not start after rolling his car in a preliminary race.
Lewis ran two preliminary races of the men's 100-meter dash tonight.
Mueller finished second to each in preliminary races here but still advanced.
