Dina Griffin, MS, RDN, CSSD, CISSN, METS II

No matter your athletic ability and level, daily nutrition plays an integral role in supporting your health, training, and competition goals.
As a Sports Dietitian and athlete herself, Dina understands the many challenges that athletes encounter. Whether your goals include weight loss, improving nutrition for training and race day, or managing a health condition, she works to carefully understand your unique goals and challenges. She will strategize with you to overcome obstacles, optimize all aspects of your nutrition, and meet or exceed your goals in a realistic and healthful manner.
"When we honor health as our foundation for longevity, nutrition is a key contributor to the successes we reap in our life journey." - Dina
Clientele & Conditions
includes, but is not limited to:
Adventure racers
CrossFit athletes
Fitness enthusiasts
Long and short course triathletes
Road and off-road cyclists
Runners (5K to marathon, ultra and stage race)
SwimRun athletes
Other specialties include Metabolic Efficiency Training™, support and optimization of plant-based athletes, female athlete physiology, and education/implementation of time-restricted feeding strategies and nutritional ketosis.
Celiac disease
Hashimoto’s disease
Iron-deficiency anemia
Metabolic Syndrome
Osteopenia/Osteoporosis
Polycystic Ovarian Syndrome
Pre-diabetes and insulin resistance
Type 2 diabetes
Weight Management
Athletes that Dina has worked with: Linda Quirk (founder of Runwell, ultra runner), Travis Macy (legendary endurance athlete), Andrew Skurka (ultra runner, professional backpacker), Helen Cospolich (elite ultra runner), Leslie Holton (ultra-endurance racer and first USA female to complete 7 x 140.6 distance triathlons in 7 days), Jenn Lee (elite stand up paddler), Benita Willis (Olympic marathoner), Nick Roumonada (competitive age group paratriathlete)
Dina works with athletes of ALL levels including off-the-couch, newbie, intermediate, you name it!
Walking the Talk
Dina likes to ‘walk the talk’ and as such, is a competitive half marathon, marathon, and ultra runner, age group triathlete, and cyclist where she has earned top placement and age group wins in several events. For other leisure activities, she enjoys hiking, snowshoeing and open water swimming. Some notable athletic accomplishments and achievements include the Leadville 100 trail run, the Comrades ultra race in South Africa (earning a bronze medal), Ironman Coeur D’Alene (12:14 for her 1st IM in 2013), Boston Marathon (sub 3:25 finish), NYC Marathon (3:26 finish), the San Francisco North Face Endurance Run 50k, and the Mount Evans Hill Climb. She is also proud to have served as a guide for Diane Berberian at the ITU Paratriathlon World Championships in London in 2013. Additionally, she has enjoyed crewing and pacing for athletes at events such as the Badwater 135 in Death Valley, UTMB/CCC races in France, Tor de Geants in Italy, and the Leadville 100 MTB race.
Some recent webinars/podcasts
Orange Mud Adventure Challenge, “Top 7 Mistakes Endurance Athletes Make” (Jan 2019)
Mile High Endurance with Rich Soares, "Female athletes: some health considerations" (June 2018)
The Same 24 Hours with Meredith Atwood, “Metabolic Efficiency Training” (Sep 2017)
Endurance Planet with Tawnee Prazak, “Individualizing your Diet/Fuel Plan and more” (Aug 2017)
Generation UCAN with Andi Cozzarelli and Varun Sriram, “Fueling for Women Athletes” (May 2017)
Trail Runner Nation with Travis Macy, "How Can the Science Help You Train and Race Better" (Feb 2017)
Generation UCAN with Varun Sriram, "OffSeason Nutrition 101" (Nov 2016)
WHOLE Athlete Podcast with Debbie Potts, "How to be a Metabolically Efficient Athlete" (July 2016)
Generation UCAN with Varun Sriram, "Metabolic Efficiency 101" (July 2016)
Endurance Planet with Bob Seebohar and Tawnee Prazak, "Metabolic Efficiency (Not Just 'Low Carb') for Optimal Sports Performance" (May 2015)
Generation UCAN with Dr. Cathy Yeckel and U.S. Olympian Julie Culley, "Nutrition and Fitness for Women" (May 2015)
Endurance Planet with Tawnee Prazak, "Metabolic Efficiency Test with Tawnee" (Feb 2014)
Education & Experience
After nearly ten years spent as a software consultant, Dina changed her career path to pursue a Master of Science degree in Food Science and Human Nutrition from Colorado State University, Since then, Dina has worked as a Registered Dietitian and Board Certified Specialist in Sports Dietetics in the clinical, outpatient, and private practice settings. She is also certified by the International Society of Sports Nutrition and is a Certified Level II Metabolic Efficiency Training Specialist.
Aside from the various podcasts and webinars she's been featured on, Dina's been included for her nutrition expertise at the U.S. Trail Running annual conferences and the Nutritional Therapy Association annual conference. She is the co-founder and lead dietitian of the highly successful Optimal Thrive nutrition programs with Meredith Atwood. She has co-authored e-books with Bob Seebohar and is a contributor author to the recently published book “Cycling Science”, along with serving as a professional reference for several sport-related magazines and websites.
Dina has been integral over the last few years helping me develop as an athlete. Proper fueling (pre/post sessions, race day, and general nutritional guidance) is key to attaining peak performance. Dina is incredibly knowledgeable, realistic, caring, and just an all around awesome woman!