Elizabeth Tretter (also known as @sweatalittleglitter ) is a mom, group fitness instructor, personal trainer and running coach in New York City.

Her Instagram page was born when Elizabeth was a busy mom of 3 with a career in Intellectual Property Law. As an avid runner and a marathoner, Elizabeth always prioritized fitness and wellness. She started her Instagram page in hopes to inspire others to do the same. As her online community grew, and after working for 19 years in Intellectual Property Law, she decided to dedicate herself to fitness full time.

Currently, Elizabeth is an instructor with Equinox gyms, a resident trainer/instructor at Casa Cipriani, and has her private in-person personal training business. Elizabeth is a passionate runner who completed all of the world major marathons. She loves to travel and explore different countries through running races. She is an avid skier and surfer.

When not training, teaching, running or working with clients, Elizabeth loves being at home with her three kids Stella, Lola and Reese and her husband Robb.

Available Services

Personal Training Session

Group Fitness Class

Events & Retreats

Taught signature Beauty Pageant Bootcamp for the Mrs. New York 2020, currently Mrs. United States

Taught strength classes at Amansala, Tulum as a part of the yoga retreat led by Halle Becker

Taught Power Break Bootcamp and Athletic Stretch corporate classes for Norton Rose Fulbright a Global Law Firm

Taught Strength for Runners for Adidas Runners NYC