Mireille Siné, MPH

Mireille Sine is the founder of Coached by Mireille, an online coaching business dedicated to helping runners become stronger, smarter, and more resilient—both on and off the road. With a unique blend of run coaching, strength training, and holistic wellness, Mireille empowers everyday athletes to train with purpose and confidence. A passionate runner herself, Mireille specializes in guiding individuals through race preparation, strength development, and sustainable training plans. She’s especially known for her work with beginner and intermediate runners, as well as athletes managing autoimmune conditions, helping them navigate the complexities of fatigue, flare-ups, and recovery without sacrificing their love of movement. Her lived experience of training while managing lupus makes her uniquely equipped to guide other autoimmune athletes through their running journey.  Through personalized coaching, Mireille supports her clients in building consistent habits, crushing PRs, and fostering a healthier relationship with training. Whether you’re preparing for your first half marathon, looking to overcome a training plateau, or learning how to train while living with an autoimmune condition, Coached by Mireille offers compassionate, evidence-based support every step of the way.