A timing chip is inserted into the shell and can be programmed to ignite and explode with precision.

In 2010 a totally disposable timing chip was introduced eliminating the need for riders to hand back their transponder at the end of the ride.

Electronic timing chips have been used in the Bellin Run since 2000.

The Bellin Run has mostly employed the use of recyclable timing chips.

Spotters and timing chips attached to the runners' shoes kept track of the competitors' whereabouts on the course.

Electronic timing chips given to each rider record the finishing time and split times at various points around the course.

Simple - with a little device called a timing chip.

All Marathon participants will be timed electronically through the timing chip.

In recent years, the race has used transponder timing and teams have carried an electronic timing chip attached to a lanyard.

The indicator board shut down for approximately 24 hours on 1 January 2000 while its timing chip was replaced.