FLX Endurance
BUILT ON CONSISTENCY.
Individualized endurance coaching for runners and triathletes seeking clear direction, honest communication, and long-term progress.
Endurance training doesn't need to be complicated to be effective.
At FLX Endurance, I believe meaningful progress comes from mastering the fundamentals, training with purpose, and showing up consistently over time.
No two athletes have the same goals, experience, or schedule. My approach focuses on individualized training, clear communication, and helping athletes understand the why behind their workouts.
The goal isn't just to reach your next finish line. It's to build the knowledge, confidence, and consistency needed for long-term progress.
The FLX Philosophy
Who is FLX Endurance for?
Whether you're preparing for your first 5K, stepping up to a marathon, exploring triathlon, or chasing a new personal best, FLX Endurance is built for athletes who want to improve.
You don't need unlimited time, years of experience, or a perfect training schedule.
You just need a goal, a willingness to put in the work, and a commitment to the process.
Built on Consistency.
Coaching Services
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A personalized 10–12 week training roadmap for athletes who want expert direction and structure while managing their training independently.
Built around your goals, current fitness, training history, and schedule, Performance Planning gives you a clear path forward without the commitment of ongoing monthly coaching.
Ideal for: Athletes who are comfortable managing their own training but want an individualized plan and expert direction toward their next goal.
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Individualized training and ongoing guidance for athletes who want more than a one-time plan without needing the day-to-day support of full coaching.
Your training is built around your goals and schedule, delivered through TrainingPeaks, and reviewed regularly to keep you progressing as your fitness and needs change.
Ideal for: Athletes who can train independently but want personalized programming, regular adjustments, and continued coach guidance.
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Fully individualized coaching for athletes who want the highest level of support, communication, and accountability throughout their training.
Training is continuously reviewed and adjusted based on your performance, schedule, recovery, and life demands, with regular feedback and direct access to your coach throughout the process.
Ideal for: Athletes who want a coach actively involved in their training, providing ongoing adjustments, feedback, accountability, and support from day one through race day.
What Athletes Are Saying
“FLX Endurance is the real deal. It is very clear that Adam does this with a lot of passion and pride for helping people reach their goals. Adam does an excellent job being accessible for his clients and is extremely knowledgeable in all facets of the training regimen. This helps cultivate that trust you want between yourself and your coach. I can’t recommend Adam enough!”
-Evan, FLX Endurance Athlete
Training for Ironman Lake Placid 2027
Apply for Coaching
Coaching at FLX Endurance begins with understanding the athlete. Complete the application below with as much detail as possible so we can learn more about your goals, training history, and how we can best support your next step.