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Share a code, pick a track, race head-to-head.
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Stand still until GO. Any movement before the start, an average pace faster than 1:48/km, or a 400m time under ~43s (faster than the human world record) will auto-disqualify that run as a loss — this is to stop cheating with a bike, car, or head start.
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Weak GPS signal — readings may lag or jump.
No GPS available — tap to simulate your run instead