Pure dominance! 🔥 Sydney McLaughlin-Levrone makes it look easy, clocking 50.32s to win the 400m at the Kingston Grand Slam, completing the 400/400H double and bagging $100K! #GST #GrandSlamTrack #Jamaica #Kingston #Athletics #TrackNation #OnlyTheFastest #JamaicaObserver #AlwaysAhead #OSports