David "Jacko" Jackson is a former professional rugby player who turned to ultra-running after a career-ending brain injury. Passionate about science-backed breathing techniques like Oxygen Advantage, Jacko has been using Beet It Sport since 2015 to support his endurance, performance, and recovery during ultra-marathon events.
Q&A with Jacko
Learn more about Jacko's journey from professional rugby to ultra-running, his breathing techniques, and why Beet It Sport is part of his endurance routine.
How Did You Get Involved in Ultra-Running?
After retiring from professional rugby in 2013, I started running to improve my breathing and exercise tolerance. In 2021, I completed my first trail marathon, and in 2022, I finished the 216km Ring O Fire Ultra-Marathon over three days.
What Is Oxygen Advantage?
Oxygen Advantage is a research-backed breathing method designed to improve physical performance, mental focus, recovery, and overall well-being.
Which Running Achievement Are You Most Proud Of?
Completing the Ring O Fire Ultra-Marathon, especially overcoming the physical and emotional challenges on the final day.
What Motivates You to Keep Running?
Meeting incredible people while continually testing my physical and mental limits.
What Are Your Future Running Goals?
I plan to take on more ultra-marathons, including Snowdon 24 Hours and The Eryri Ultra Trail Marathon. My long-term goal is to run the entire UK Coastal Path, covering around 8,800km.
What's Your Favorite Ultra-Running Location?
Snowdonia, North Wales, which I now proudly call home.
What's Something Most People Don't Know About You?
I'm a qualified science teacher with a master's degree in engineering.
How Do You Stay Mentally Focused During Ultra Events?
I focus on controlling my breathing, maintaining a steady rhythm, and using my diaphragm to stay calm and centered throughout the race.
How Has Beet It Sport Helped Your Performance?
I've trusted Beet It Sport for over 15 years. I first used it during rugby pre-season training and continue using it today to support my aerobic capacity, endurance, and recovery during ultra-marathons.
Fuel Your Endurance Like Jacko
Inspired by Jacko's ultra-running journey? Power your training with the Beet It Sport Nitrate 400 Shot, which delivers a clinically tested 400mg dose of dietary nitrate to support endurance, stamina, and recovery.
