Support Systems
The Power of the Pack: Why Training Together Wins
You will always do 10% more work training with others than you ever will alone. Discover the science behind the community at CrossFit Chiltern.
Community
Training
The King of the Open: Why You Must Master the Thruster Before 26.1
If there is one movement that defines the CrossFit Open, it’s the Thruster. Jeremy Reilly explains why mastering this "metabolic nightmare" is the key to surviving the 2026 Open and shares the technical secrets to moving faster with less fatigue.
Training
Beyond the Leaderboard: The 3 People You Need to Beat to Really Win
We love the competition of the WODBoard, but relying on external scores is a trap. Jeremy Reilly reveals the only three people you truly need to beat to guarantee sustainable progress and long-term success in the gym and in life.
Training
Beyond the Playground: 3 Reasons to Enroll Your Child in CrossFit Kids
CrossFit isn't just for adults! Jeremy Reilly explains why our CrossFit Kids programme is the best way to develop healthy movement patterns, boost confidence, and ensure your child is physically prepared for life's challenges.
Support Systems
Your Social Life is a Workout: 4 Hidden Health Benefits of the Box
We talk about the physical gains of CrossFit, but the community is your greatest source of long-term health. Jeremy Reilly breaks down the four profound, hidden health benefits of the box that prove your social life is just as important as your snatch PR.
Lifestyle
Merry Christmas: Your Unconditional Rest Day
Merry Christmas from CrossFit Chiltern! Today is a day for genuine rest and reflection. Give yourself unconditional permission to celebrate and enjoy delicious food and drink with the people you love.
Training
Stop Fearing the Barbell: 3 Ways It Builds Strong, Confident Women
The barbell can be intimidating, but it is the single greatest tool for unlocking a woman’s physical and mental potential. Jeremy Reilly breaks down the three massive reasons women must embrace the barbell to find their true strength.
Lifestyle
Why Your £40 Gym Membership Works (For 5% of the Population)
That £40 gym membership looks like a great deal, but it only works for a tiny fraction of the population. Jeremy Reilly breaks down the three core value differences between equipment access and the high-value coaching model we offer at CrossFit Chiltern.
Training
The Ultimate Test: 5 Reasons You Need to Try a Hero WOD
Every Hero WOD is a deliberate test of physical and mental capacity. Jeremy Reilly breaks down the 5 powerful reasons why these tribute workouts are the most important WODs you’ll ever do.
Lifestyle
3 Ways to Find a Gym That Gives Back to Amersham
A great gym should be more than a building with equipment; it should be a genuine community hub. Jeremy Reilly shares the three signs a gym truly cares about the local Amersham area and why giving back is central to the CrossFit Chiltern mission.
Support Systems
5 Ways Your Community Keeps You Accountable
Why does showing up get easier at CrossFit Chiltern? It’s not just the workouts; it's the community. Jeremy Reilly breaks down the five subtle but powerful ways your fitness family holds you to a higher standard.
Training
Why Uncoachable Members Leave (And Why That's Okay)
As the owner of CrossFit Chiltern, my focus is relentlessly on coaching and community. I share why uncoachable athletes are not a good fit for our gym, and why prioritizing the health of the community sometimes means making tough decisions.