Danielle Sullivan   Iron Fit Endurance

Danielle Sullivan, former Professional Triathlete and head coach of Iron Fit Endurance, provides custom training plans that accommodate every individual regardless of experience, ability or time availability to train. With over 19 years of triathlon racing and coaching experience and over 6 years racing as a Professional Triathlete, Danielle Sullivan has the experience and passion to help you reach your goals and beyond!


After Graduating College as an All-American swimmer, Danielle entered and won her first triathlon, a sprint distance triathlon in Maryland. Danielle was soon hooked and began competing in many more triathlons. At the age of 24, Danielle entered Ironman Florida, winning her age group and qualifying for the World Championships in Kona, Hawaii. She had a very successful Ironman career as an amateur, placing as high as 2nd in her age group and 4th overall amateur woman in the World Championships in Kona, HI. The next year Danielle decided to turn Professional. She went on to have a successful Professional career racing for the Zoot Ultra Team, placing consistently top 8 in Ironman races and as high as 4th overall In Ironman Lake Placid. Although Danielle has been coaching triathlon throughout her Professional Triathlon career, she is now dedicating all of her time and effort into coaching others in the sport she loves. Danielle has taken her 19 years of experience in the sport to build her coaching business here on Long Island where she also offers swim training, track workouts and group training rides on a weekly basis!


West Islip, NY
United States

Preferred Athlete Levels

Beginner, Intermediate, Advanced, Professional


1-on-1 Coaching, Consultations, Group Coaching, Local Coaching, Remote Coaching, Strength Training, Nutrition, Mental Skills, Training Camps, Run Analysis, Swim Analysis

Sport Types

Triathlon, Road Cycling, Running, Mountain Biking, Cyclocross, Duathlon, IRONMAN, XTERRA, Swimming, Personal Training, Adventure Racing, High School Cross Country, Corporate Wellness




West Islip, NY
United States