Running & Training

The Best Girls’ Athletic Swimwear

This post contains affiliate links. As an Amazon Associate we earn from qualifying purchases.

Our picks are based on Amazon bestseller rankings, verified customer ratings, and product availability. We update our recommendations regularly to ensure accuracy.

Finding the right athletic swimwear for girls is crucial for comfort and performance during sports activities. Proper fit and material can prevent distractions and chafing, allowing young athletes to focus on their training and competitions. Investing in quality swimwear ensures durability and support for regular use.

SaleNo. 1
Speedo Girl's Swimsuit One Piece Closed Racerback
  • Compressive body-hugging fit; recommended to size up
  • RECYCLED FABRIC
  • CHLORINE RESISTANT
  • BLOCK THE BURN UPF 50+
  • PILLING RESISTANT
SaleNo. 2
Speedo Girl's Swimsuit One Piece Mesh Splice Thick Strap
  • Ultra compressive fit designed for performance racing; recommended to size up for casual swimmers
  • Block the Burn: UPF 50+ protection blocks up to 98% of the sun’s harmful rays
  • Superior Chlorine Resistant Creora Highclo Spandex
  • No Wedgie Worries for stay put coverage
  • Pilling resistant fabric
SaleNo. 3
Speedo Girl's Swimsuit One Piece Thin Straps Blue Print
  • MADE FROM PART RECYCLED MATERIALS
  • CHLORINE AND PILLING RESISTANT FABRIC
  • BLOCK THE BURN UPF 50+
  • FULLY LINED
SaleNo. 4
TYR Durafast Lite Ella Maxfit Girls' One Piece Swimsuit - Active Swimwear Designed for Durability and Comfort...
  • PREMIUM DURABILITY: Constructed with Durafast Lite fabric that holds up to hours of practice, this girls' sport bathing suit is cut for a sleek, active silhouette with comfort and performance features
  • IDEAL FOR YOUNG ATHLETES: This girls' training and racing suit features thick, supportive straps, a supportive power mesh lining, and a design made for unrestricted, 360-degree range of motion
  • SUN PROTECTION: Boasting UPF 50+ sun protection, this girls' one-piece swimsuit is built for comfortable performance and protection in both outdoor and indoor environments
  • SIZING: See size chart image on the left for correct sizing. Our girls' swimsuits are designed for competitive swimming and are tight fitting. They should feel especially snug when you first try them on. Ordering a size up is suggested
  • SINCE 1985: Since its inception, TYR has become one of the world’s most recognizable swimming and fitness brands. TYR, Always in Front
SaleNo. 5
Speedo Girl's Swimsuit One Piece Mesh Splice Thick Strap
  • Ultra compressive fit designed for performance racing; recommended to size up for casual swimmers
  • Creora Highclo Spandex: Superior chlorine resistance fabric
  • Sporty back style keeps straps in place
  • No Wedgie Worries for stay put coverage
  • Breathable mesh side insets
SaleNo. 6
Speedo Girl's Swimsuit One Piece Thin Straps
  • MADE FROM PART RECYCLED MATERIALS
  • CHLORINE AND PILLING RESISTANT FABRIC
  • BLOCK THE BURN UPF 50+
  • FULLY LINED
SaleNo. 7
Speedo Girl's Swimsuit One Piece Infinity Splice Thick Strap
  • Compressive body-hugging fit; recommended to size up
  • RECYCLED FABRIC
  • CHLORINE RESISTANT
  • BLOCK THE BURN UPF 50+
  • PILLING RESISTANT
SaleNo. 8
TYR Durafast Lite Ella Maxfit Girls' One Piece Swimsuit - Active Swimwear Designed for Durability and Comfort...
  • PREMIUM DURABILITY: Constructed with Durafast Lite fabric that holds up to hours of practice, this girls' sport bathing suit is cut for a sleek, active silhouette with comfort and performance features
  • IDEAL FOR YOUNG ATHLETES: This girls' training and racing suit features thick, supportive straps, a supportive power mesh lining, and a design made for unrestricted, 360-degree range of motion
  • SUN PROTECTION: Boasting UPF 50+ sun protection, this girls' one-piece swimsuit is built for comfortable performance and protection in both outdoor and indoor environments
  • SIZING: See size chart image on the left for correct sizing. Our girls' swimsuits are designed for competitive swimming and are tight fitting. They should feel especially snug when you first try them on. Ordering a size up is suggested
  • SINCE 1985: Since its inception, TYR has become one of the world’s most recognizable swimming and fitness brands. TYR, Always in Front
SaleNo. 9
BELEROY Girls' Swimsuit One Piece Swimming Suits Flyback Swimwear for Practice(with Padding,12,Navy Blue)
  • High Quality Fabric:Made of high-elasticity nylon fabric, our girls' swimsuit offers UPF sun protection, quick-drying performance, and a skin-friendly feel for all-day comfort.
  • Thoughtful Design:Features reinforced straps to reduce shoulder pressure and a crisscross back design to prevent slipping during active play, ensuring security and freedom of movement.
  • Perfect Fit for Ages 8-16:Girls one piece swimsuits designed for aged 8-16. For the best fit, please refer to the detailed size chart before ordering.
  • Versatile for Any Water Activity:BELR ROY girls athletic swimming suit Ideal for swimming lessons, beach vacations, pool parties, water park adventures, or competitive training—ready for fun in any aquatic setting!
  • Easy Care:Machine washable or hand washable. Avoid ironing to preserve the fabric’s elasticity and vibrant colors.
SaleNo. 10
beautyin Girls Swimsuit One Piece Athletic Swimsuits for Training Swimming
  • Girls one piece swimsuits made of PROFESSIONAL SWIMSUIT FABRIC, offering a long-lasting wear and comfortable wearing experience
  • Girls swimsuits size 11-16 featuring thin REMOVABLE CHEST PADS, perfectly fit your body. Size 7-10 have NO chest pads, but the swimsuit with double-layer design, completely without perspective
  • RACERBACK sport swimwear with WIDE STRAPS ensure good support and shoulder flexibility while swimming
  • Girls athletic swimsuits in KNEE LENGTH style with skin-friendly FULL LINING provides moderate coverage and protection
  • Quick-drying kneeskin swimsuit is ideal for training, swimming, racing, surfing, snorkeling and other water sports

Last update on 2026-09-01 / Affiliate links / Images from Amazon Product Advertising API

How to Choose the Best Girls’ Athletic Swimwear

Key Factors for Girls' Athletic Swimwear

  • Material and Durability: Look for swimwear made from chlorine-resistant fabrics like polyester or nylon blends. These materials offer better longevity in pools and withstand frequent washing. The fabric should also be quick-drying to prevent discomfort after swimming sessions.
  • Fit and Comfort: Ensure the swimwear provides a snug yet comfortable fit. It should stay in place during active movements without being too tight or restrictive. Check for flat seams and tagless designs to minimize irritation and chafing.
  • Design and Coverage: Athletic styles often feature racerback or crossback designs for enhanced support and freedom of movement. Consider the level of coverage required for the specific sport, opting for styles that offer appropriate support and minimize drag.

Frequently Asked Questions

What makes swimwear suitable for athletic training?
Athletic swimwear is typically made from durable, chlorine-resistant materials that can withstand frequent use and exposure to pool chemicals. They are designed for a secure fit that stays in place during rigorous activity, offering support and minimizing drag.
How do I choose the right size for athletic swimwear?
It's important to consult the brand's specific size chart, as sizing can vary. The swimwear should fit snugly without restricting movement or causing discomfort. Consider that some materials may stretch slightly when wet.
What is the best material for chlorine resistance?
Polyester and nylon blends are generally considered the most chlorine-resistant materials for swimwear. These fabrics hold up well against pool chemicals and UV rays, extending the lifespan of the garment.
How should athletic swimwear be cared for?
Rinse the swimwear with cool, fresh water after each use to remove chlorine and salt. Hand wash gently with mild soap and lay flat to dry away from direct sunlight to maintain the fabric's integrity and color.