Taylor Knibb wins Ironman world title after leader collapses in dramatic Kona finish

American triathlete Taylor Knibb won her first Hawaiian Ironman world title in Kona following a dramatic finish to the race. Knibb secured the victory by overtaking her Norwegian rival in the final kilometer after the defending champion collapsed while leading the event.

In the men's division, France's Vincent Luis claimed the title during his debut appearance on Kona.