038-5 Wyo. Code R. § 5-17
(a) There shall be one or more Timers. They shall determine the official time of each race, go-round, or contestant.
(b) When an electric timing device is used, the races shall also be timed in the usual manner by the Timers. Any electrical timing device must be approved by the Commission.
(c) The time shall be announced and/or displayed immediately following each race or after each roper.
(d) Every Commission licensee exercising a race horse shall, upon request of an official timer, correctly state the distance over which the horse is to be worked and the point on the race track where it is intended to start the workout. He must identify the horse if requested to do so.
Timers for roping events additional information refer to Chapter 12, Section 8
038-5 Wyo. Code R. § 5-17