Hafnarfjörður , Iceland
English
- Triathlon
- Road Cycling
- Running
- IRONMAN
- Swimming
- 1-on-1 Coaching
- Consultations
- Local Coaching
- Remote Coaching
- Strength Training
- Nutrition
- Run Analysis
Ríkharður Óli Cuellar is the founder of Strenx Iceland, specializing in Ironman, Ultra-marathon, and Mountain running coaching. Mentored by Dr. Dan Plews (Endure IQ), he utilizes a scientific framework and in-house physiological testing to eliminate guesswork. Combining laboratory-grade data with personal experience in full-distance Ironman and Ultra events, Ríkharður delivers precision-engineered performance for athletes on any terrain.
Strenx Iceland | Ríkharður Óli Cuellar
Ríkharður Óli Cuellar is a high-performance endurance coach and the founder of Strenx Iceland. He specializes in Full and 70.3 Ironman, Ultra-marathons, and Mountain running, applying a rigorous scientific framework to athlete development.
Ríkharður conducts his own physiological testing, moving beyond generalized training plans to identify the specific metabolic and cardiovascular profiles of his athletes. Mentored by Dr. Dan Plews at Endure IQ, he integrates elite-level sports science with the grit required for long-course success. Having personally competed in Ironman-distance races and Ultra-marathons, Ríkharður bridges the gap between laboratory data and the reality of the race course, providing athletes with a precise, evidence-based strategy to master road, trail, and multisport disciplines.