Sunny Blende grew up in California and received her Bachelor of Science degree from USC in 1972, graduating magna cum laude. In 1997 she received her Master of Science degree in Human Nutrition from the University of New Haven. Prior to beginning her practice in Sports and Fitness Nutrition, she was a practicing dental hygienist in Malibu and San Francisco for many years. During her time in Southern California she worked as an assistant with the Los Angeles Marathon Association promoting the race and traveling to International Marathons sharing and exchanging knowledge and logistics. In 1998, Sunny began her Eat4Fitness consulting business and in 2006 she became the sports nutrition columnist for UltraRunning™ magazine and for SWIMMER magazine in 2013. She taught Sports Nutrition for Health and Performance (accredited) at College of Marin in Kentfield, CA for six years and is the consulting Sports Nutritionist for Tamalpa Runners, Marin Rowing Association, Open Water Rowing Club, North Bay Aquatics Swim teams and College of Marin sports teams.

Sunny is mostly retired now, although she occasionally gives a clinic and she continues to write her sports nutrition columns for two national magazines. She has happily turned over her private consultations to her good friend and colleague, Sarah Koszyk, M.A., R.D.


Sunny Blende has been a frequent presenter and lecturer on sports nutrition, fueling for enhanced performance and making healthy food choices for an energized lifestyle. As well as having worked with individuals and teams, she has been an avid master competitor herself, training and competing in the Bay Area and beyond. She also is an enthusiastic advocate of her own recommendations concerning nutrition and exercise and has enjoyed success in placing well, or winning, many age group divisions.


  • A few of her favorite Marathons — Los Angeles, New York, Honolulu, London, Berlin, Boston, Cal International
  • Trail Marathons Favorites — Catalina, Golden Hills Marathon, Diablo
  • 50 K Ultramarathons — Headlands National Trail Championship, Mountain Madness, Skyline, Jed Smith, Run on the Sly, Way Too Cool, Whiskeytown, North Face Challenge, Mackenzie River, Quad Dipsea (28.8 miles)
  • 50 Mile Ultramarathons — Lake Sonoma 50, Mountain Masochist
  • Rowing — National Open Water Championship in Seattle, 26 NM Santa Cruz to Monterey Regatta, 32 NM Catalina Crossing from Catalina to Marina Del Rey, 46 NM Around Catalina Island Race and various Race Regattas
  • Swimming — 2.5 M Waikiki Roughwater Swim, Santa Cruz Roughwater Swim, Alcatraz, Maui Channel Crossing, Golden Gate Swim, Tiburon Mile, Long-Bridge Swim (National Open Water Championship) and many swim meets
  • Other Adventures:
  • Running Rim to Rim to Rim (double one-day crossing, 12,000 vertical feet) in the Grand Canyon and running the 36-mile Run to the Sun Haleakala Run from zero to 10,000 feet in Maui, Hawaii
  • Rowing 100 miles in the Mediterranean Sea on a 172-person replica of a 500 BC Trireme ship
  • Baja Multi-day Kayaking Treks and 7-Day, 60 mile, Rowing Adventure in Alaska's Prince William Sound
  • High Altitude Trekking in Nepal and Tibet and swimming without a wetsuit for 50 yards (!) in Antarctica
  • Pacer at Western States 100 Mile Run, Cascade 100, Wasatch 100, Angeles Crest 100, 135 Mile Badwater Run, and Hawaii 3-Day Ultraman Race