Train in the Red
Personalized coaching for runners of all levels—whether your goal is to complete your first 5k or win a national title.
Meet Your Coach
I’m Jackson Campbell — performance coach, Masters athlete, and the founder of Zone Four. I help runners train with purpose, push past their comfort zones, and achieve their goals. Whether you just want help getting out the door for the first time or are aiming to qualify for the Boston Marathon, I’m here to help.
Train with Z4
Personalized Coaching
No templates. No guesswork.
Every runner I coach gets a plan tailored to their current fitness, life schedule, and long-term goals.
Communication
Training is a conversation, not a transaction.
We’ll communicate regularly to adapt your training, address challenges, and stay aligned with your goals. You’re never handed a plan and left on your own. We value building trust and relationships, not simply telling you what to do.
Designed to Make You Better
Train in the Red
We provide thoughtful, progression-based coaching rooted in exercise science and real-world, time-tested results. Training is guided by your goals, experience, and physiology, and will be developmentally appropriate whether you’re a beginner or an Olympian.
The Reviews Are In…
“Coach Jackson demonstrates excellent attention to detail and provides comprehensive session-by-session documentation, including specific performance metrics and clear homework assignments. The training approach is well-structured, starting with fundamental fitness building before event specialization, and includes measurable benchmarks (like the 30m sprint at 3.85s and 200m at 38s) to track progress. He shows genuine care for the athlete's development by adapting workouts when needed (such as during illness).”
-K.S.
“Coach Jackson is an excellent coach! Both of my kids are learning, and I've noticed real improvements in their confidence and skills. I really appreciate his attention to each of my kids and the quality of his training. Highly recommend Coach J!”
-N.G.
“My son had a great session. It was his first introduction to track as a high school student. He left smiling, feeling challenged, but also proud of what he learned.
-K.C.
“I never saw myself running the times I ran and making it to regionals. Thank you so much for these great past two track seasons.”
-A.C.