For cycling, the active system will be used. This offers 100% detection rates and a precision of 0.01s with speeds up to 150km/h. If there is only one timing line at the finish, you will only need a USB Timing Box.
The invention of the Track Box can leverage your event by adding many splits at a reasonable price.
The ActivePro Transponder is mounted to the bike fork. The USB Timing Box is connected to the computer and to the wire loop, which is taped on the finish line.
The scoring of this lap race is done easily with RACE RESULT 12 when using the template "Lap Race".
Depending on your race layout choose from the templates "Standard Event", "Major Event" or "Lap Race".