Built for Endurance Athletes
Training programs, workout logs, technique guides, and race journals — designed by a coach who still races. Instant download on Etsy.
Digital Downloads
Coach-designed and instantly downloadable. No subscriptions, no apps — just the tools you need to show up and do the work.
12-week structured training plan built around technique-first principles. Progressive yardage, efficiency drills, and open water prep — from first lap to triathlon finish line.
Google Sheets training log with auto-calculations. Track yardage, pace, and sets across a full season — so your progress is always visible.
Sport-specific strength programming built around durability and injury prevention. Made for the miles ahead.
Goal-setting, taper planning, race day logistics, and post-race reflection — all in one structured journal. You earned this.
In-depth reference guides covering freestyle fundamentals, drill progressions, and common fixes. Printable and poolside-ready.
All products are sold on Etsy. Instant download after purchase — you earned this.
Visit Endorphin Designs on Etsy ↗Coaching Philosophy
Most swimmers work too hard. They fight the water instead of working with it — spending energy on tension, drag, and effort that doesn't move them forward.
Anti-Struggle Swimming is a technique-first methodology built around reading the water, reducing drag, and finding efficiency in every stroke. Whether you're a nervous beginner or a triathlete chasing a faster split, the principles are the same.
Work with the water. Not against it.
The Brand
Endorphin Designs was created for athletes who understand that the miles, the laps, and the long runs are more than workouts — they're a way of life. Every product is designed to celebrate personal victories and the enduring spirit of endurance sport.
Katherine Vargo is a USMS Level 1 Swim Coach, certified personal trainer, and functional aging specialist based in Pittsburgh, PA. She's completed two Ironman triathlons, races dragon boat on the Allegheny River with the Pittsburgh Paddlefish, and has been logging races on Athlinks for two decades.
Every Endorphin Designs product comes from real coaching experience — technique-first, progressive, and designed for athletes with real lives. Structure, intention, and results.
You earned this. We made the tools to help you get there.
Every finish line is a beginning. — endorphindesigns.etsy.com
Contact
Questions about a product, looking for a custom program, or want to work together? Reach out — we read every message.