C-72.1, r. 4 - Rules respecting Standardbred horse races held at a professional race track

Full text
330. The official time of a race for each horse shall be measured to the nearest fifth of a second and recorded in the log book referred to in these Rules.
The official time of a race shall be measured with an electronic timer or, failing that, with a stopwatch.
Decision 90-09-19, s. 330.