Engineered for longevity and consistent performance on hard courts, Pro Penn Marathon+ Extra Duty tennis balls are built for competitive players, teaching professionals, and clubs that demand durable, reliable play. As the official ball of the PTR, they are designed to withstand the rigours of intense match play and frequent training sessions without sacrificing feel.
- Delivers a highly consistent bounce and reliable flight characteristics from the first serve through extended rallies.
- Features durable Extra Duty felt built for abrasive hard-court surfaces while maintaining visibility and response.
- Provides long-lasting playability for players who need dependable performance across matches, lessons, and practice sessions.
Trust in the legendary performance of Pro Penn to help you unlock your best game on the court.
- Type: Pressurised tennis balls
- Unit: Can (3 balls)
- Case: 24 cans / 72 balls
- Court surface: Hard court
- Features: Extra Duty felt
- Colour: Yellow
Note that specifications are approximate and may vary slightly from product to product.
The Pro Penn Marathon+ Extra Duty tennis ball uses advanced materials and felt construction to improve durability, visibility, and consistent hard-court play.
- TrueBounce: A natural-rubber compound engineered to deliver reliable performance and consistent bounce point after point.
- Encore+ Technology: A core construction designed to maintain structure, pressure, and response over time, increasing longevity by 22% compared with standard performance expectations.
- LongPlay Felt: A high-tenacity Extra Duty felt built to resist wear on abrasive hard courts while maintaining feel, visibility, and flight consistency.
- Smart Optik 360: A high-visibility felt treatment that helps players track the ball earlier and anticipate its trajectory more effectively.
- Penn BioForge: A sustainable organic additive integrated into the ball's design to support a more environmentally conscious product lifecycle.
Our team will ship your order on the same day if placed during store hours. The time it takes to receive your order depends on the shipping method chosen at checkout. For more information, please read the full Shipping Policy.
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. Footwear should be tried indoors only. You’ll also need the receipt/order number for proof of purchase. For more information, please read the full Refund Policy.
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Pro-Tour TrustedTop brands, tour-tested.
Built to perform, built to last.
