The 2017 FINA World Junior Swimming Championships are scheduled to begin tomorrow in American city Indianapolis ©FINA

The 2017 International Swimming Federation (FINA) World Junior Swimming Championships are scheduled to begin tomorrow in American city Indianapolis, where around 630 athletes from 93 National Federations will compete across six days of action.

The event, open to boys aged between 14 and 17 and girls aged between 15 and 18, will be held at the Indiana University Natatorium on the campus of Indiana University - Purdue University Indianapolis.

Hosts United States are due to be represented by 42 rising stars, comprising 18 boys and 24 girls.

They have elected five captains with Michael Andrew, Grace Ariola, Madison Homovich, Erica Sullivan and Reece Whitley all having the honour bestowed upon them.

Andrew is the top seed in the boys' 50 metres freestyle, 50m butterfly and 200m individual medley and the second seed in the 50m backstroke, 50m breaststroke and 100m breaststroke.

He represented the US at the 2015 edition in Singapore, where he set a Championship record of 25.13sec in the 50m backstroke.

Ariola is the second seed in the girls' 50m freestyle, third in the 50m backstroke, fifth in the 100m backstroke, and sixth in the 100m freestyle.

She also represented her country in Singapore two years ago. 

Michael Andrew is among the five swimmers to have been elected a captain for hosts United States ©Getty Images
Michael Andrew is among the five swimmers to have been elected a captain for hosts United States ©Getty Images

Homovich, who has been competing for the US since the 2014 Junior Pan Pacific Championships in Maui in Hawaii, is the sixth seed in the girls' 200m butterfly and the 13th seed in the 400m individual medley.

Newcomer Sullivan is the top seed in the girls' 1,500m freestyle and third in the 800m freestyle, while Whitley is the third seed in the boys' 100m breaststroke, fifth in the 200m breaststroke and seventh in the 50m breaststroke.

Long-time USA Swimming partner Sigma Gamma Rho Sorority, Inc. will serve as the presenting sponsor of the event, which will provide an early look at young athletes who will vie for positions on their respective nations' teams for the Tokyo 2020 Olympic Games.

Swimming legends and Olympic champions such as Missy Franklin, Simone Manuel, Madisyn Cox, Cullen Jones, and Jordan Wilimovsky are expected to attend as spectators, cheering for the home athletes.

This year’s FINA World Junior Swimming Championships is the sixth edition of the event, which was first held in Brazilian city Rio de Janeiro in 2006.  

Rio 2016 Olympic medallists from the US such as Ryan Murphy, Chase Kalisz, Josh Prenot, Kathleen Baker and Manuel have all made career debuts at the Championships.