The Greatest Women's 4x100m | Jamaica DOMINATES the Caribbean's Fastest Final

The Greatest Women's 4x100m | Jamaica DOMINATES the Caribbean's Fastest Final Jamaica's women's under-20 relay team ran 43.65 in a final that looked dominant — but the real story is buried in the exchange zones. This breakdown reveals why individual speed didn't decide this race, and which mechanical detail at the third handoff sealed Jamaica's victory over the Bahamas and Trinidad and Tobago. Carifta Games women's under-20 4x100m final: full phase-by-phase relay analysis — reaction times, split estimates, exchange mechanics, stride data, and what it reveals about Caribbean relay development. A lineup featuring 100m champion Shanoya Douglas on anchor, sprint hurdler Tiana Marshall on leg two, and a Bahamian squad anchored by the previous night's 4x400 gold medalist — this was the deepest under-20 relay field the Caribbean had seen in years. Here's what the scoreboard doesn't show you.