Melissa Jefferson-Wooden
#4 · women's 100 m · United States
Women's 100 Meters
American athlete. women's 100 m mark of 10.65 seconds at Johannesburg on September 12, 1998, the personal best on the World Athletics all-time list.
Marion Jones's race time is 10.65 s, an official figure.
Race time
10.65s
women's 100 m, Johannesburg, wind +2.5 mph (+1.1 m/s). One personal best per athlete.
Quick answers
Marion Jones's race time is 10.65 s, an official figure.
Marion Jones is labeled Official. Ratified by a governing body such as the FIA, World Athletics or Guinness World Records.
The figure cites World Athletics, “100 metres women, senior, outdoor all-time list.”
Marion Jones is 7th of 10 on Fastest Women's 100 m, in a tie.
Mechanism
Marion Jones's mark is a women's 100 meters of 10.65 seconds at Johannesburg on September 12, 1998. Dividing 100 meters by that time is about 21.0 mph for the whole race. The mark does not include a wind reading, so this does not add one.
Marion Jones's 10.65 at Johannesburg on September 12, 1998 includes the reaction and the drive out of the blocks as well as the meters at top speed. On a race this short the start is a large piece of the clock. The all-time list keeps the legal personal best. A radar on one stride would read higher than the race average, and it is not the race.
100 meters in 10.65 seconds is about 21.0 mph from gun to finish, not the speed at 60 meters. Marion Jones ran that average at Johannesburg on September 12, 1998. Hundredths of a second at this distance are a few centimeters at the line. They are not a different event.
Provenance
Claimed, measured and official figures side by side, each with its source. The ranked figure is marked.
women's 100 m, Johannesburg, wind +2.5 mph (+1.1 m/s). One personal best per athlete.
Track & Field News marks this 10.65 as altitude. World Athletics still lists it on the all-time table, so it stays, with that note.
Reference
Context
Marion Jones's ranked women's 100 m time is 10.65 seconds at Johannesburg on September 12, 1998, wind +2.5 mph (+1.1 m/s). That is the personal best the World Athletics all-time list says. Track & Field News's world all-time list says the same time and date where this row has no note.
Track & Field News marks this 10.65 as altitude. World Athletics still lists it on the all-time table, so it stays, with that note.
Every report is read by a person, and corrections are dated on the page.