Racetracker

Part of speech: noun

Definitions

1. A tool or system designed to follow and log the progress and positions of participants during a race
2. An apparatus or software that tracks racers' real-time movements and results in a competition
3. A technology used to observe and document competitors' performance and standing throughout a racing event

Etymology: "Racetracker" is a plain compound: "racetrack" with the suffix "-er" added. A racetrack is the course on which races are run, and the "-er" ending turns the combined word into a noun for a device that keeps track of racers. The word is a modern formation, built from existing English parts, so its meaning follows directly from them: the tool or system takes its name from the track it watches.