Ledecky finished nearly 18 seconds ahead of the nearest competitor in the 1500m freestyle heat.
Ledecky finished nearly 18 seconds ahead of the nearest competitor in the 1500m freestyle heat.
Ledecky finished nearly 18 seconds ahead of the nearest competitor in the 1500m freestyle heat.
Ledecky finished nearly 18 seconds ahead of the nearest competitor in the 1500m freestyle heat.