“Coach D2” Dorette Franks, MSc RD LD, has coached athletes with TRIFINITI Endurance since 2004, alongside her husband and TRIFINITI founder, Coach Duane Franks, MSc. Together, they bring decades of experience helping athletes reach first-time, podium, and qualifying finishes—including Ironman World Championship and Boston Marathon qualifiers.

Dorette creates bespoke training plans for individuals and groups pursuing functional fitness and endurance goals across backpacking, open-water and marathon swimming, running, ultra-distance, and multisport racing. Her coaching expertise includes RAAM, Ultraman, Marathon swimming, and training for the Marathon Majors. She is particularly excelled in addressing body composition and race weight, women’s health, and performance for women 50+.

A former Betty Squad elite racer, Dorette is a 6-time Ironman finisher, 3rd-place Ironman age-group finisher, Ultraman Canada division winner, and 3-time Boston Marathon qualifier and racer.

Dorette holds an MSc in Nutrition and Human Performance and a BS in Dietetics with an emphasis in Exercise Physiology. She is a Registered Dietitian (RD) and Licensed Dietitian (LD) holding USA Triathlon and USA Masters Swimming Level 2 and USA Track & Field Level 1 coaching certifications.

Outside of coaching, Dorette enjoys stand-up paddle boarding on San Francisco Bay and volunteering with her golden retriever, Leela, through First Responder Therapy Dogs.