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]