Twenty-three members of the U.S. National Team – including 13 Olympic gold medalists – will compete May 31-June 1 at the FINA Champions Series meet at the Indiana University Natatorium, on the campus of IUPUI in Indianapolis.

The meet in Indy is the third and final stop of the series. The first two meets were held April 27-28 in Guangzhou, China and May 11-12 in Budapest.

FINA invited top athletes from around the world to compete. The format is finals only over the course of two nights, four swimmers per event. For individual races, $10,000 is awarded for first place, $8,000 for second, $6,000 for third and $5,000 for fourth.

Here’s a look at the all-star cast of American swimmers who are slated to compete starting Friday at the legendary Natatorium:

Michael Andrew

Hometown: Lawrence, Kan.

Club: Race Pace Club

Coach: Peter Andrew

Won five relay medals - four gold - at the 2018 FINA World Championships (25m). Gold medalist in the 50m free at the 2018 Pan Pacific Championships. Winner of the men's high point trophy at 2018 Phillips 66 Nationals and became the first man since 2008 to win at least four titles at a single Nationals or Olympic Trials.

Swimming in Indy: 50 fly, 50 breast, 200 IM, 100 fly, 50 free

Kathleen Baker

Hometown: Winston-Salem, N.C.

Club: Team Elite

Coach: David Marsh

Set a world record in the 100m back (58.00) and won the 200m back and 200m IM at the 2018 Phillips 66 National Championships. Broke the world record and won gold in the 400m medley relay, silver in the 100m back and bronze in the 200m back at the 2017 FINA World Championships. Won silver in the 100m back and gold in the 400m medley relay at the 2016 Olympic Games.

Swimming in Indy: 100 back, 200 back, 200 IM

Jack Conger

Hometown: Rockville, Md.

Club: Cavalier Swimming

Coach: Todd DeSorbo

Won three relay medals at the 2018 FINA World Championships (25m). Runner-up in the 100m fly and third in the 200m fly at 2018 Phillips 66 Nationals. Bronze medalist in the 800m free relay at the 2017 FINA World Championships. Earned gold in the 800m free relay at the 2016 Olympic Games.

Swimming in Indy: 200 fly, 100 fly

Kevin Cordes

Hometown: Naperville, Ill.

Club: Phoenix Swim Club

Coach: Douglas Djang

Gold medalist in the 400m medley relay and as a member of the mixed 400m medley relay, silver medalist in the 100m breast at the 2017 FINA World Championships. Gold medalist in the 400m medley relay and reached the final in the 100m and 200m breast at the 2016 Olympic Games.

Swimming in Indy: 100 breast, 200 breast

Kelsi Dahlia

Hometown: Westhampton, N.J.

Club: Cardinal Aquatics

Coach: Arthur Albiero

Won nine medals, including seven gold, at the 2018 FINA World Championships (25m). Triple silver medalist at 2018 Pan Pacific Championships. Repeat champion in the 50m and 100m fly at 2018 Phillips 66 Nationals. Won four golds and a bronze at the 2017 FINA World Championships, and helped break world record in the women’s 400m medley relay. Gold medalist as part of the 400m medley relay at the 2016 Olympic Games.

Swimming in Indy: 200 fly, 100 fly, 50 fly

Tony Ervin

Hometown: Valencia, Calif.

Club: Team Elite

Coach: David Marsh

Won gold in the 50m free at the 2016 Olympic Games to become the oldest individual gold medalist in swimming history at age 35. Won three golds and a silver at three Olympic Games.

Swimming in Indy: 50 free

Hali Flickinger

Hometown: Spring Grove, Pa.

Club: Athens Bulldog Swim Club

Coach: Jack Bauerle

Gold medalist in the 200m fly at 2018 Pan Pacific Championships. Repeat national champion in the 200m fly at 2018 Phillips 66 Nationals. Finished seventh in the 200m fly at the 2016 Olympic Games.

Swimming in Indy: 400 free, 200 fly

Bethany Galat

Hometown: Mishawaka, Ind.

Club: Aggie Swim Club

Coach: Steve Bultman

Silver medalist in the 200m breast at the 2018 FINA World Championships (25m). Runner-up in the 200m breast at 2018 Phillips 66 Nationals. Won silver in the 200m breast at the 2017 FINA World Championships.

Swimming in Indy: 200 breast, 50 breast

Matt Grevers

Hometown: Lake Forest, Ill.

Club: Tucson Ford

Coach: Augie Busch

Two-time Olympian and six-time Olympic medalist, including four golds and two silvers. Competed at four long-course World Championships, where he’s won 11 medals—six gold, three silver, two bronze.

Swimming in Indy: 100 back, 50 back

Townley Haas

Hometown: Richmond, Va.

Club: NOVA of Virginia Aquatics

Coach: Eddie Reese

Won gold in the 200m free and 800m free relay at the 2018 Pan Pacific Championships. Gold medalist in the 400m free relay, 400m medley relay and mixed 400m free relay at the 2017 FINA World Championships, also won silver in the 200m free and bronze in the 800m free relay. Gold medalist in the 800m free relay at the 2016 Olympic Games.

Swimming in Indy: 100 free, 200 free

Molly Hannis

Hometown: Santa Rosa, Calif.

Club: Tennessee Aquatics

Coach: Nick Credich

Bronze medalist in the 50m and 100m breast at the 2016 FINA World Championships (25m). Finished second in the 200m breaststroke at the 2016 U.S. Olympic Team Trials to qualify for her first Olympic Team.

Swimming in Indy: 100 breast, 50 breast

Zach Harting

Hometown: Madison, Ala.

Club: University of Louisville

Coach: Arthur Albiero

Bronze medalist in the 200m fly at the 2018 Pan Pacific Championships. Runner-up in the 200m fly at 2018 Phillips 66 Nationals. Member of the 2017 U.S. World University Games.

Swimming in Indy: 200 fly

Chase Kalisz

Hometown: Bel Air, Md.

Club: Athens Bulldog Swim Club

Coach: Jack Bauerle

Gold medalist in the 200m and 400m IM at the 2018 Pan Pacific Championships. 2018 Phillips Nationals champion in the 200m and 400m IM. Gold medalist in the 200m and 400m IM at the 2017 FINA World Championships. Silver medalist in the 400m IM at the 2016 Olympic Games.

Swimming in Indy: 200 IM, 200 fly

Lilly King

Hometown: Evansville, Ind.

Club: Indiana Swim Club

Coach: Ray Looze

Three-time medalist at the 2018 Pan Pacific Championships, including gold in the 100m breast and silver in the 200m breast. Won titles in the 50m and 100m breast at 2018 Phillips 66 Nationals. Broke world records and won gold in the 50m breast, 100m breast, 400m medley relay and mixed 400m medley relay at the 2017 FINA World Championships. Won gold in the 100m breast and set an Olympic record at the 2016 Olympic Games. Also added gold in the 400m medley relay at the 2016 Olympic Games.

Swimming in Indy: 100 breast, 200 breast, 50 breast

Melanie Margalis

Hometown: Clearwater, Fla.

Club: Saint Petersburg Aquatics

Coach: Jack Bauerle

Silver medalist in the 400m IM at the 2018 Pan Pacific Championships. Posted top-three finishes in the 200m and 400m IM at 2018 Phillips 66 Nationals. Gold medalist in the 800m free relay at the 2017 FINA World Championships. Gold medalist in the 800m free relay and fourth-place finisher in the 200m IM at the 2016 Olympic Games.

Swimming in Indy: 400 free, 200 free, 200 IM

Cody Miller

Hometown: Las Vegas, Nev.

Club: Sandpipers of Nevada

Coach: Ray Looze

Earned gold as a member of the 400m medley relay at the 2017 FINA World Championships. Won bronze in the 100m breast and gold in the 400m medley relay at the 2016 Olympic Games.

Swimming in Indy: 100 breast

Ryan Murphy

Hometown: Jacksonville, Fla.

Club: California Aquatics

Coach: Dave Durden

World record-holder in the 100mback. Triple gold medalist at the 2018 Pan Pacific Championships in the 100m back, 200m back and 400m medley relay. Swept the 50m, 100m and 200m back titles at 2018 Phillips 66 Nationals, setting an American record in the 50m back. Won gold in the 400m medley relay and mixed 400m medley relay, silver in the 200m back and bronze in the 100m back at the 2017 FINA World Championships. Triple gold medalist at the 2016 Olympic Games, winning the 100m back, 200m back and 400m medley relay.

Swimming in Indy: 200 back, 100 back, 50 back

Jacob Pebley

Hometown: Corvallis, Ore.

Club: Team Elite

Coach: David Marsh

Runner-up in the 200m back at 2018 Phillips 66 Nationals. Bronze medalist in the 200m back at the 2017 FINA World Championships. Finished fifth in the 200m back at the 2016 Olympic Games.

Swimming in Indy: 200 back

Josh Prenot

Hometown: Santa Maria, Calif.

Club: California Aquatics

Coach: Dave Durden

Won silver in the 200m IM at the 2018 FINA World Championships (25m). Champion in the 200m breast at 2018 Phillips 66 Nationals. Silver medalist in the 200m breast at the 2016 Olympic Games.

Swimming in Indy: 200 IM, 200 breast

Leah Smith

Hometown: Pittsburgh, Pa.

Club: Tucson Ford Dealers Aquatics

Coach: Augie Busch

Won silver in the 800m free relay and bronze in the 800m free at the 2018 FINA World Championships (25m). Four-time medalist at the 2018 Pan Pacific Championships, including bronze in the 400m, 800m and 1500m free Gold medalist in the 800m free relay, silver in the 400m free and bronze in the 800m free at the 2017 FINA World Championships. Won gold as a member of the 800m free relay and bronze in the 400m free at the 2016 Olympic Games.

Swimming in Indy: 400 free, 200 fly, 200 free

Micah Sumrall

Hometown: Pflugerville, Texas

Club: Chattahoochee Gold Swim Club

Coach: Mark Schilling

2018 Pacific Championships gold medalist in the 200m breast. Champion in the 200m breast at 2018 Phillips 66 Nationals. Won silver in the 200m breast at the 2015 FINA World Championships.

Swimming in Indy: 100 breast, 200 breast

Dana Vollmer

Hometown: Granbury, Texas

Club: California Aquatics

Coach: Teri McKeever

Seven-time Olympic medalist—five gold, one silver and one bronze—at three Olympics. Won gold and set a world record in the 100m fly (55.98) at the 2012 Olympic Games in London. Ten medals at four World Championships, including four gold, four silver and two bronze.

Swimming in Indy: 100 fly

Justin Wright

Hometown: Fresno, Calif.

Club: Tucson Ford Dealers Aquatics

Coach: Augie Busch

Won first career national title in the 200m fly at the 2018 Phillips 66 National Championships. Member of the 2017 World University Games team. Collegiate All-American at the University of Arizona.

Swimming in Indy: 200 fly