Gretchen Walsh Wins 100 Butterfly at Sette Colli Trophy

Gretchen Walsh blasted a 54.82 seconds in the 100-meter butterfly at the Sette Colli International Trophy in Rome, setting the fifth-fastest performance in history.

She destroyed the field in her prime event, touching the wall well ahead of runner-up Roos Vanotterdijk of Belgium, who finished at 57.24.

Gretchen Walsh had already shown her dominance in the 50 butterfly during Friday's action, shattering her own American record with a time of 24.51.

This outing suggested a massive performance was on the horizon at twice the distance, and Walsh delivered, going 54.82 for a championship record.

Prepping for the Pan Pacific Championships later this summer in Irvine, California, Walsh now owns the 16-fastest performances of all-time in the 100 fly, including five under the 55-second barrier.

Gretchen Walsh's world record of 54.33, delivered earlier this year at the Fort Lauderdale Open, remains the standard.

And her momentum will be crucial in the upcoming championships.

But for now, Walsh can celebrate her championship record at the Sette Colli Trophy.

So the American star will look to build on this performance.

The University of Virginia product has been in top form, and her times reflect that.

Gretchen Walsh finished nearly a half-second faster than anyone else has ever gone in the event at the TYR Pro Series stop in Indianapolis, with a winning time of 55.00.

The No. 2 performer in history, Sarah Sjostrom, owns a best of 55.48, more than a second adrift of Walsh's world record.

Gretchen Walsh's dominance in the 100 fly is undeniable, with the fifth-quickest time of her career at the Sette Colli Trophy.

She will look to continue this form into the summer.

The Sette Colli International Trophy was the perfect platform for Gretchen Walsh to showcase her skills.

Now she sets her sights on the Pan Pacific Championships.

Gretchen Walsh's time of 54.82 seconds will be remembered as one of the highlights of the Sette Colli Trophy.

And she will be looking to create more memories in the upcoming championships.