Liu’s time, too, was once deemed untouchable. Yet, a shift in viewpoint is underway, and Canadian Summer McIntosh is the reason. In the past eight months, the teenager has produced spectacular ...

Summer McIntosh swam the fourth-fastest 400m individual medley in history and the eighth-fastest 200m butterfly ever at the first Tyr Pro Series meet since she won three golds at the Paris Olympics.

On day 2 of the TYR Pro Swim series meet, Summer McIntosh edged out Regan Smith to post a new world-leading time in the 200 fly.

Summer McIntosh swam the fastest 200m butterfly ever this early in a year, winning over Regan Smith in a duel between the Olympic gold and silver medalists on Thursday. McIntosh, an 18-year-old ...