(Chandler, AZ) December 30, 2020– One 4-mile multi-loop marathon course. 9 timing points. 24 ChronoTrack controllers. 98 elite athletes from […]
(Chandler, AZ) December 30, 2020– One 4-mile multi-loop marathon course. 9 timing points. 24 ChronoTrack controllers. 98 elite athletes from […]
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