Conquer Your Marathon With Ease

Tested and proven personal training for runners

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Our Difference

Focused Personalised Attention

 Clear all your running doubts and filter out the general tips that do not apply to you. Your physiology is unique and your training should be too. We’ll help you understand your own body and cater to its needs.

Improve Faster

Quit training that doesn’t work. Our job is to optimise your journey for you and at the same time make it more enjoyable. You save time and energy.

Stay Injury-Free

Most runners get injured. Staying injury-free requires personalised attention, self-awareness, and know-hows. That’s where we come in.

Our Services

Strength and Conditioning

Strength and Conditioning Package

Personalised Training Programme

Run Technique Analysis

Small Group Training

Our Training Locations

Core Collective Anson

79 Anson Rd, #21-01, #22-01
Singapore 079906

Core Collective Dempsey

27A, 30B/C, Loewen Rd,
Singapore 248839

MOE (Evans) Stadium

21 Evans Road
Singapore 259366

Coach

Jing Zhi Chua

IAAF Coach Level 1
Triathlon Singapore Coach Level 1
200hr Yoga Teacher Training
Neurokinetic Therapy Level 1
Ex-Commando Regular Officer
BSc. Project and Facilities Management

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Our Values

Compassion

Understanding that everyone is going through their own battles, empathising, having the desire to help, and assisting skillfully.

Self-betterment

Constantly improving thyself.

Community-oriented

Thinking what’s best not just for us or for the customers, but for the swimming, cycling, and running community as a whole.

Our Dedicated Charity

CRF is a registered charity that empowers people to make more humane, healthy and sustainable choices through advocacy, education and engagement.

CRF resonates with Second Wind Nation’s vision to build a more compassionate world through sports media, coaching, and events.

Trusted by Clients and Partners from

Testimonials

I used to do more of such strength training when I was back in USA… Thank you for the couple workouts! We enjoyed the exercises planned every week!

– Soh Rui Yong, Singapore’s marathon national record holder

Working with Jing Zhi, I can feel myself improving every week.

– Victor Clavell, first-time marathoner

I didn’t know how my upper body muscles affected my running posture… I’ve learnt quite a bit from Jing Zhi.

– Sherlynn Tan, Adidas Runners co-captain and Boston Marathon qualifier

Thank you for designing my programme for the Berlin Marathon and helping me achieve a personal best of sub-4 hours.

Most definitely wasn’t the easiest of clients to manage but Jing Zhi figured it out and was as calm as collected as anyone I know, which gave me confidence despite only having trained once a week sometimes.

– Joe Hanney, fitness manager, Core Collective

Weeks of training paid off and I finally achieved my personal best timing of less than 5 hours after so many attempts!

I have benefited greatly from this training program and would definitely recommend it to any running enthusiast.

– Chua Kok Chuan, engineer and father of four

Thanks so much for the guidance (on running injuries and performance).

– Cindy Ong, financial advisor and top ten Singapore Marathon local finisher

Coach Jing Zhi trains and cares about his athletes in a wholesome manner, not just physically, but mentally and emotionally too. For the lead up to my first SEA Games marathon, he has played a key role in ensuring my everyday well-being.

– Serena Teoh, Singapore national marathoner

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