She had 52.08 seconds with electronic timing.

Her time in the final was 11.7 seconds (electronic timing gave 11.809), her lifetime best.

The men's world record has been improved upon twelve times since electronic timing became mandatory in 1977.

This was the closest margin of victory since the advent of electronic timing.

In the era of electronic timing, the women's 100-meter record had never been lowered by more than 13-hundredths of a second.

The 1912 Olympics, held in the Stockholm harbor, marked the beginning of electronic timing.

The primary purpose was to bring precise electronic timing of grass races, which had been done, often sloppily, by hand in the past.

The 2009 Liffey Swim was the 90th anniversary of the race and saw electronic timing used for the first time.

With electronic timing his best time was 1:45.44 minutes, achieved in a meet in Heusden.

That was the widest margin by which the 100-meter record had been broken since electronic timing became standard in the 1960's.