Marathon Health partners with employers, public-sector organizations, labor groups, unions, and health plans to make high-quality primary care more accessible and help manage healthcare costs. Its advanced primary care model focuses on proactive, personalized, value-based care designed to improve health outcomes and encourage ongoing relationships between patients and providers. Care is available through onsite and nearsite health centers for workplace communities, a national network of health centers, and virtual services nationwide.

Marathon Health also offers mental health care, musculoskeletal support, lifestyle management, occupational health, pharmacy services, and care navigation. Together, these services are intended to support a broad range of member needs and help people manage chronic conditions, build healthier habits, and access care before health concerns become more serious. The company emphasizes convenient access, including same- or next-day appointments and little to no cost for members, depending on the care arrangement.

Marathon Health provides organizations with implementation options tailored to their workforce and offers resources such as case studies, guides, and educational content about advanced primary care