Do you have a need to track racers during an event for safety purposes?
Do you want to enable your racers to check that they're staying on course while racing?
Do you want to provide spectators on site and at home a real-time view of the race-in-progress?
Do you want to enable support personnel to know when to expect their racer to arrive at finish?
Do you want to create a record for each racer's course for later analysis (e.g. to catch cheaters)? [More]
Do you want to provide automatic split times during a long race?
Do you have a need for backup timing in case main timing system malfunctions?
Do you want to provide unattended timing for an unofficial race or a workout?
Do you want to self-time yourself & friends on a course which you may repeat daily / weekly? [More]