CrossFit Chiltern

CrossFit Chiltern CrossFit Group and 1:1 personal training,
CrossFit Kids & Teens programme Results - We want every member to get visible results from their training with us.

CrossFit Chiltern is a fitness facility where the focus is on three things:
Complete Fitness - Working on every facet of fitness to improve the total fitness in every member who visits the box. Community - Creating a group of like minded people who support each other in their journey for a fitter, happier and healthier life. There is no better motivation than success. We offer Small group personal training and one to one personal fitness training for everyone.

05/06/2026

You're carrying up to 100,000 calories in fat stores right now. The question is whether your metabolism can access them. Fat adaptation isn't a trend — it's a fundamental shift in how efficiently your body fuels itself. Book a Discovery Call with Jeremy or Beth for more info.

Consistency pays off! 🔥A huge shoutout to our May Committed Club members for showing up, putting in the work, and stayin...
05/06/2026

Consistency pays off! 🔥

A huge shoutout to our May Committed Club members for showing up, putting in the work, and staying dedicated all month long, earning their place by hitting 16+ classes. 👏💪

Your commitment inspires our entire community and is a reminder that progress comes from consistently showing up.

Congratulations to everyone who made the list! 🌟

See you all in the June Committed Club!

💚

04/06/2026

The three o'clock slump isn't willpower. It's a predictable hormonal response to the wrong lunch. 30–40g of protein at midday changes your afternoon, your training, and your hunger. Book a Discovery Call with Jeremy or Beth for more info.

03/06/2026

Resistance training stunts kids' growth. It's one of the most repeated myths in British sport — and the evidence says the opposite. Bone density, motor patterns, confidence. The window to build them is time-limited. Book a Discovery Call with Jeremy or Beth for more info.

02/06/2026

No hiding in a deadlift. It's the most complete posterior chain movement available — and the most commonly avoided by the people who need it most. Book a Discovery Call with Jeremy or Beth for more info.

02/06/2026

Hyrox classes!!

01/06/2026

It's still light at 9pm — and your recovery is paying for it. Long days compress the sleep phases where your body actually repairs. Blackout blinds, dimmed lights after 8, consistent wake time. It changes everything. Book a Discovery Call with Jeremy or Beth for more info.

01/06/2026

There's a biological window in adolescence for building bone density and motor patterns that lasts sixty years. Summer is the ideal time to use it. Book a Discovery Call with Jeremy or Beth for more info.

BIG NEWS FOR THE CROSSFIT CHILTERN FAMILY! 🚨 Say hello to our new Head Coach, James Macdonald! 🙌🏋️‍♂️We are absolutely d...
01/06/2026

BIG NEWS FOR THE CROSSFIT CHILTERN FAMILY! 🚨

Say hello to our new Head Coach, James Macdonald! 🙌🏋️‍♂️

We are absolutely delighted to welcome James to the team. Many of you will already know his face around the box, as he’s the partner of one of our long-term members, Jenni Griffiths! Having that close connection to our community already makes this a perfect fit.

James brings some serious pedigree to the gym floor. He holds a BSc in Sports Science, is a CrossFit Level 3 Trainer, and joins us directly from his role as Head Coach at Gas Station in Windsor (CrossFit Windsor). He also brings specialized expertise in UKSCA Strength & Conditioning, Adaptive/Inclusive Training, and Functional Range Conditioning. 🧠💪

But James’ role is about much more than just his credentials. He completely shares our belief that your class should be the absolute best hour of your day, and his goal is to ensure everyone leaves the gym a better athlete and a happier person than when they walked in.

Alongside leading top-tier classes and running athlete check-ins to keep you accountable to your goals, James will also be working closely with our incredible coaching team—providing 1:1 feedback and development to keep raising the bar across the board. 📈

🗓 **Start Date:** Monday, June 15th!

🔥 **PT SPACES AVAILABLE:**

James will have a very limited number of slots for regular Personal Training clients. If you want to grab a spot before they fill up, drop Jeremy or Lauren an email to get on the waiting list!

Let’s give James a massive CrossFit Chiltern welcome in the comments below! 👇💬

Fitness Amersham CoachingExcellence BestHourOfTheDay

Address

CrossFit Chiltern, Unit 2 Corinium Industrial Estate, Raans Road
Amersham
HP66JQ

Opening Hours

Monday 6:15am - 9pm
Tuesday 6:30am - 9pm
Wednesday 6:30am - 9pm
Thursday 6:30am - 9pm
Friday 6:15am - 8pm
Saturday 8am - 9pm

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