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ONLINE PROGRAMMING & COACHING BUILT ON PERFORMANCE, PASSION & COMMUNITY.

PICK A TRACK. TRAIN ONE OR TWO SESSIONS A DAY.

CHASING PODIUMS OR JUST WANT TO GET FITTER? THERE'S A TRACK THAT FITS YOUR WEEK.

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JST Athlete

Choose from 1 or 2 sessions per day

Develop balanced strength, master gymnastics & build endurance.

JST Athlete: Year-round performance development through structured phases.

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JST Athlete Compete Tracks

Choose from 1 or 2 sessions per day

Sharpen your skills, master barbell cycling & peak for competition.

Compete: A competition-focused program, designed to peak your performance six weeks out from any comp.

Athlete Snatch

Strength Bias Track

Choose from 1 or 2 sessions per day.

Build raw strength, master the olympic lifts & refine technique.

Strength Bias: A dedicated training track focused on developing strength, involving structured strength cycles.

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Engine Bias Track

Choose from 1 or 2 sessions per day.

Increase your capacity, master pacing & build an unmatched engine.

Engine Bias: A specialised training track designed to build aerobic capacity and endurance.

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Gymnastics Bias Track

Choose from 1 or 2 sessions per day.

Develop strict strength, master complex skills & build high volume.

Gymnastics Bias: A specialised training track focused on developing gymnastic strength including structured progressions.

Access 10 tracks via 1 program

Access 10 tracks via 1 program

HOW DOES IT WORK?

Follow the below steps to get started and experience the power of programming and community that’s as committed to your progress as you are.

Sign up to
JST Athlete

Download the FitR App

Choose your track & commit to 1 or 2 sessions
per day

Log your workouts completed with results 

Check in with a coach every 3 months

Attend Training Days

OUR COACHES

Jak Cornthwaite

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Owner

Jak Cornthwaite started training at CrossFit JST in its Compete Classes, later joining the coaching team in 2015. Over the years, he has coached athletes of all levels, from class members to Regional, National, and Games-level competitors.

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In CrossFit, he was on a Regionals (Semi-Finals) team in 2014 and 2015, then qualified for the CrossFit Games in 2017 & 2019, marking the first British team to do so. He also competed individually at Regionals in 2016 (15th) and 2018 (7th), finishing as the top-ranked British male in both seasons.

Jamie Harrop

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JST Athlete Head Programmer

Jamie is Head Programmer at JST Compete, primarily working on the main track of JST Athlete. Alongside this Jamie is also Master Coach at CrossFit Shapesmiths - one of Europe's biggest CrossFit gyms.

Jamie has worked for a decade with athletes of all levels - from those just starting their athletic career all the way to athletes who are competing at the highest levels of the sport.

Jamie Warr

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JST Class Head Programmer

Jamie is Head Programmer for JST Class, writing the weekly programming that every affiliate gym on it runs. He's also co-owner of Cattle Dog CrossFit in Northampton, where he leads the coaching team.

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Jamie has twelve years of coaching behind him. He played professional rugby for Northampton Saints before coming to CrossFit in 2017, and still competes - with podiums at Battle for Middle Ground and other UK competitions alongside JST athletes.

TRAIN WITH PURPOSE.
COMPETE WITH CONFIDENCE.

JOIN JST COMPETE TODAY.

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JST Training Day
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