Gustin Sport Performance

Gustin Sport Performance Personalized virtual and in-person training, specializing in athletic performance but serving all.

GSP's longest tenured athlete, Assaf Lowengart, is playing for team Israel in the World Baseball Classic starting this w...
03/04/2026

GSP's longest tenured athlete, Assaf Lowengart, is playing for team Israel in the World Baseball Classic starting this weekend. Proud to be a small part of his journey and to have his continued trust in delivering his S&C programming from across the world. We've been connecting sporadically on a 15 hour time difference during his pro season in Melbourne, Australia but are finally back in a shared time zone as he competes in Miami, FL for the WBC. Good luck Assaf!

11/19/2025

I know it's been quiet on social media, but GSP is still helping young athletes week in and week out. Here's a couple young'ins keeping up on their speed development between soccer seasons 💪

2 more are still rolling from the summertime, another 2 just started up, and a handful more are doing virtual programming. The grind never stops when you have big goals.

New shirts are 🔥First round of prints were just made as a thank you to all my summer athletes for the opportunity to wor...
08/05/2025

New shirts are 🔥

First round of prints were just made as a thank you to all my summer athletes for the opportunity to work with them and for all their effort and motivation.

So if you see someone out wearing one of these you already know they got that dog in them 😤

This is Assaf Lowengart. The first Israeli-born baseball player to sign an American professional contract. Olympic compe...
06/06/2025

This is Assaf Lowengart. The first Israeli-born baseball player to sign an American professional contract. Olympic competitor for Israeli national baseball Tokyo 2020. Assaf played his first year with the New York Boulders of the Frontier League. Entering his second pro season he was signed to Southern Maryland Blue Crabs of the higher-level American League. Unfortunately, about 2 weeks into spring training he was bumped off the roster unexpectedly.

I first started training him as the head strength coach during his time at Mansfield University. Since we both left, I've trained him virtually for almost 3 years now. The first actual GSP athlete. I've met very few other athletes as dedicated to their craft, as hardworking, and as disciplined as Assaf. Leading up to this spring training period, he asked for a big block of 2-a-day workouts to pack on some size and work capacity before the long season. I wrote the biggest program I've ever written - 2 workouts a day, 6 days a week - and he crushed it for 6 weeks straight.

When Assaf returned to his home base in Florida after being released by the Blue Crabs, he simply resumed training, waiting for the call to fly out and join a new team. While we've dropped our training load to more of a "stay ready" dose so he can run off to play at the drop of a hat, he's still gringing 6 days a week to be as prepared as possible when the call comes in.

Moral of the story for young athletes - pro sports isn't all sunshine and rainbows. It's a very competitive environment and it's a cut-throat business at the end of the day. BUT, don't ever let that fact deter you from maximizing your potential every chance you get, putting in the grind hours off the field, and being just as dedicated to your development as you are to the game you play.

Assaf allowed me to share his story as a taste of perspective, but for me it's also a glimpse into the mindset of a professional - constantly looking to improve, sharpen, refine, find an edge any way possible. He's been a shining example of how to model your preparation.

05/28/2025

Check out an example of how I break down speed training for 1-on-1 sessions!

After a handful of sessions, Kailey has made awesome improvement! But speed is a skill as much as it is a physical output so I try to get very detailed with the feedback.

I often shoot video during speed training because I think it's helpful to see what I'm coaching/cueing and to view reps through my lens. This edit is something I'd send to the athlete between sessions, almost like film study, and a way to see progress before we retest.

Just a sample of what you get as a GSP athlete!

04/18/2025

The original GSP athlete, determined to push the boundaries of human performance... Cleared 26 inches on the new home-made adjustable hurdles!

If you want elite results like this, you know where to find me 💪

Welcome to Gustin Sport Performance. Get to know the coach and see what others are saying about GSP below. Message for d...
03/17/2025

Welcome to Gustin Sport Performance. Get to know the coach and see what others are saying about GSP below. Message for details or training inquiry.

Bio:
Gustin has worked professionally in strength and conditioning since 2013. Throughout his career he has worked with nearly every type of athlete, from developing youth to division 1, 2, and 3 collegiate as well as professional. His sport specializations are football, basketball, track, soccer, and baseball, though Gustin has trained athletes across many additional sports.

"Greg Gustin has been my strength and conditioning coach for over 3 years, as well as an invaluable resource for all my off-the-field questions. His personal attention and professionalism are unmatched, making him an essential part of my development. Greg’s expertise goes beyond just training and his guidance has been instrumental in my career".

-Assaf Lowengart, Atlantic League Professional Baseball

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Port Allegany, PA

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